跟读练习: The Monroe Doctrine Explained in 5 Minutes - 通过视频学习英语口语
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56 句
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It's 1823.
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The map of the Americas is being redrawn.
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Spain has spent centuries amassing a new world empire stretching from Patagonia to California.
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Now their grip was slipping fast.
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One by one, Spain's colonies are declaring independence.
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And back in Europe, the old empires are not taking it well.
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They're asking themselves, what's to stop us from taking it all back?
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The United States had come into being mere decades ago in the revolution.
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Then we fought Britain again in the War of 1812.
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America was concerned of the involvement of foreign empires in the New World.
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Now, America sensed an opportunity to establish a new order.
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Britain, focused on protecting its trade with the emerging nation, proposed a joint declaration with the United States to deter intervention.
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But Secretary of State John Quincy Adams, suspicious of British motives, convinced President James Monroe to act independently.
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Monroe then declared a decree to Congress, among the boldest diplomatic statements in American history.
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The American continents, by the free and independent condition which they have assumed and maintained,
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are henceforth not to be considered as subjects for future colonization by any European powers.
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The United States, still a young frontier nation, positioned itself as the preeminent power in the new world
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and set the stage for centuries of American foreign policy in our hemisphere.
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This decree transformed America's role in standing in the global order, though initially relying on the deterrence of the British Navy to enforce it.
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For decades, the doctrine served as a defensive shield while America expanded westward.
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It was invoked when the French installed an emperor in Mexico, forcing their eventual withdrawal.
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It shaped debates over attempted annexations like the Dominican Republic.
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But these were defensive applications, keeping European powers out, not asserting American control over the hemisphere's affairs.
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changed in 1895, when Secretary of State Richard Olney invoked the doctrine,
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declaring that the United States was practically sovereign over the Western Hemisphere and demanded Britain submit to American arbitration.
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He had redefined the doctrine.
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It was no longer just a warning.
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It was now a claim to regional primacy.
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Three years later, war with Spain erupted, and when the smoke cleared, it transformed the Hemisphere.
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The United States expelled Spain from Cuba, seized Puerto Rico, and stepped into the world stage as a genuine imperial power with dominance over the Caribbean.
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Just four years later, that dominance was tested again.
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German and British warships sailed into Venezuelan waters and blockaded its ports over unpaid debts.
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Roosevelt intervened and declared if a Latin American nation fell into chaos or instability, the U.S would step in and manage it.
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The doctrine has started as a shield.
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Roosevelt had just turned it into a mandate.
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A critical opportunity for American leadership in the Western Hemisphere came in 1903, when Panama sought independence from Colombia.
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Both Europe and the U.S had long wanted a canal in Central America, allowing ships to cross from the Atlantic to the Pacific.
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After a failed French attempt, the United States saw an opening, and a region was shifting political dynamics.
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The U.S backed Panamanian independence and secured a deal to construct, operate, and defend the Panama Canal.
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The waterway would go on to become the hemisphere's most critical artery for trade, a strategic asset for both world wars,
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and a testament to America's enduring leadership in the region.
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When Soviet missiles were discovered in Cuba in 1962, Kennedy didn't need to invent a new framework.
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He simply invoked the doctrine.
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The weapons had to go.
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13 days of the most dangerous standoff in human history ended with the Soviets backing down and removing the missiles from Cuba.
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Reagan applied the same logic to justify opposition to Soviet-backed Sandinista regime in Nicaragua and other Marxist groups,
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arguing that ideological threats required the same response as military ones.
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Fast forward to the modern era, where the doctrine has found its latest champion in President Trump.
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Through the execution of Operation Absolute Resolve, the United States seized Venezuelan dictator Nicolás Maduro,
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transporting him to American soil to answer for charges of narco-terrorism.
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This calculated maneuver delivered a resident signal across the hemisphere, punctuated by President Trump's own declaration.
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Under our new national security strategy, American dominance in the Western Hemisphere will never be questioned again.
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Over two centuries, Monroe's declaration had shaped U.S foreign policy across administrations and throughout fundamentally different geopolitical eras.
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What began as a warning to European powers evolved into a framework for regional dominance,
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one that remains the cornerstone of American strategy in the hemisphere today.
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Next, we will learn about George Kennan, best known for his policy of containment during the Cold War.
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本课的词汇与口语要点
这节 B2 级别的口语课以视频“The Monroe Doctrine Explained in 5 Minutes”为素材。 视频中反复出现的词有：hemisphere, doctrine, America, dominance, invoked。 这段视频共有 56 个句子、782 个单词可供跟读。 讲话部分时长为 5:37。 说话人语速平稳，每分钟约 139 个词，很适合跟读。 只有 71% 的单词属于英语最常用的 3,000 词，词汇难度较高。
视频中的重点词汇
视频中最难的 15 个单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| hemisphere 名词 | /ˈhɛmɪsfɪə/ | 半球 |
| doctrine 名词 | /ˈdɑk.tɹɪn/ | 教條 /教条, 教義 /教义 |
| dominance 名词 | /ˈdɑmɪnəns/ | 優勢 /优势, 支配地位 |
| declare 动词 | /dɪˈklɛɚ/ | 宣布 |
| declaration 名词 | /ˌdɛk.ləˈɹeɪ.ʃən/ | 報單 /报单 |
| seize 动词 | /ˈsiːz/ | 抓獲 /抓获, 攫取 |
| decree 名词 | /dɪˈkɹiː/ | 法令, 上諭 /上谕 |
| transform 动词 | /tɹænsˈfɔɹm/ | 變換 /变换, 變形 /变形 |
| missile 名词 | /ˈmɪs.aɪl/ | 飛彈 /飞弹, 導彈 /导弹 |
| annexation 名词 | 併吞 /并吞, 合併 /合并 | |
| colonization 名词 | /kɔlənɪˈzɛjʃən/ | 殖民地化 |
| cornerstone 名词 | /ˈkɔɹ.nɚ.stoʊn/ | 奠基石, 基石 |
| deterrence 名词 | /dɪˈtɝɹəns/ | 威懾 /威慑 |
| geopolitical 形容词 | 地緣政治學的 /地缘政治学的 | |
| henceforth 副词 | /hɛnsˈfɔɹθ/ | 從此 /从此, 從此以後 /从此以后 |
视频中出现的短语动词
| 单词 | 释义 |
|---|---|
| back down 动词 | 做出讓步 /做出让步 |
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | be considered · was invoked · was tested |
| 现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事 | has spent · have assumed · has started |
需要注意的发音
- “th” 音: henceforth /hɛnsˈfɔɹθ/, withdrawal /wɪðˈdɹɔ(ə)l/
- “sh” 和 “zh” 音: declaration /ˌdɛk.ləˈɹeɪ.ʃən/, colonization /kɔlənɪˈzɛjʃən/, warship /ˈwɔɹˌʃɪp/, arbitration /ˌɑɹ.bɪˈtɹeɪ.ʃən/, suspicious /səˈspɪʃ.əs/
- 长单词——注意重音位置: declaration /ˌdɛk.ləˈɹeɪ.ʃən/, colonization /kɔlənɪˈzɛjʃən/, preeminent /priˈɛm ə nənt/, instability /ɪnstəˈbɪlɪti/, arbitration /ˌɑɹ.bɪˈtɹeɪ.ʃən/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: invoke /ɪnˈvoʊk/, maneuver /məˈnuvɚ/, invent /ɪnˈvɛnt/, intervene /ˌɪntəˈviːn/, eventual /ɪˈvɛn.t͡ʃu.əl/
- 词尾辅音 — 要读清楚，后面不要加元音: dominance /ˈdɑmɪnəns/, invoke /ɪnˈvoʊk/, seize /ˈsiːz/, containment /kənˈteɪnmənt/, deterrence /dɪˈtɝɹəns/
- /r/ 和 /l/ 的区别: declaration /ˌdɛk.ləˈɹeɪ.ʃən/, withdrawal /wɪðˈdɹɔ(ə)l/, practically /ˈpɹæk.tɪ.k(ə.)li/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
- 录下自己的声音并与原声对比，特别注意 hemisphere, doctrine, dominance 这类单词。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。