跟读练习: White, pink, and brown noise, explained #shorts - 通过视频学习英语口语
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There are several different types of noise and they're categorized by color.
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The most common are white, pink, and brown noise, each defined by the way it distributes power to frequencies across the audible spectrum.
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Here's what that means.
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White noise distributes power to every frequency equally, but it tends to sound harsh to us
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because the shape of our ears makes us more sensitive to higher frequencies than lower ones, and that makes them sound louder, even though the power distribution is equal.
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Pink noise adjusts for this.
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boosting the harder to hear low frequencies, and then reducing power proportionally as frequency goes up, to give each octave of noise approximately equal energy.
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This ends up sounding more balanced to our ears, even though it's actually skewed.
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Brown noise takes this idea even further, resulting in a low, ocean -like rumble that a lot of people find relaxing.
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本课的词汇与口语要点
这节口语课以视频“White, pink, and brown noise, explained”为素材。 视频中反复出现的词有：noise, frequencies, frequency。 这段视频共有 11 个句子、151 个单词可供跟读。 讲话部分时长为 0:51。 说话人语速自然，每分钟约 179 个词，接近日常对话。 只有 79% 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 14 个值得学习的单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| frequency 名词 | /ˈfɹiːkwənsi/ | 頻率 /频率, 頻度 /频度 |
| ear 名词 | /ˈɪə̯/ | 耳朵, 耳 |
| distribute 动词 | /dɪˈstɹɪbjuːt/ | 分配 |
| sensitive 形容词 | /ˈsɛn.sɪt.ɪv/ | 敏感 |
| equally 副词 | /ˈiːkwəli/ | 一樣地 /一样地, 同樣地 /同样地 |
| define 动词 | /dɪˈfaɪn/ | 界定 |
| relax 动词 | /ɹɪˈlæks/ | 鬆開 /松开, 放鬆 /放松 |
| spectrum 名词 | /ˈspɛktɹəm/ | 範圍 /范围, 光譜 /光谱 |
| harsh 形容词 | /ˈhɑɹʃ/ | 粗暴 |
| adjust 动词 | /əˈd͡ʒʌst/ | 調整 /调整 |
| audible 形容词 | /ˈɔ.dɪ.bəl/ | 聽得見的 /听得见的 |
| categorize 动词 | /ˈkætɪɡəˌɹaɪz/ | 分類 /分类 |
| octave 名词 | /ˈɑktɪv/ | 八度 |
| rumble 名词 | /ˈɹʌmb(ə)l/ | 轟隆 /轰隆, 隆隆聲 /隆隆声 |
视频中出现的短语动词
| 单词 | 释义 |
|---|---|
| end up 动词 | 到达 |
需要注意的发音
- “sh” 和 “zh” 音: harsh /ˈhɑɹʃ/, proportionally /pɹəˈpɔɹʃənəli/
- 长单词——注意重音位置: categorize /ˈkætɪɡəˌɹaɪz/, proportionally /pɹəˈpɔɹʃənəli/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: sensitive /ˈsɛn.sɪt.ɪv/, octave /ˈɑktɪv/
- 词尾辅音 — 要读清楚，后面不要加元音: distribute /dɪˈstɹɪbjuːt/, sensitive /ˈsɛn.sɪt.ɪv/, boost /buːst/, relax /ɹɪˈlæks/, harsh /ˈhɑɹʃ/
- /r/ 和 /l/ 的区别: relax /ɹɪˈlæks/, proportionally /pɹəˈpɔɹʃənəli/, rumble /ˈɹʌmb(ə)l/
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。
- 先用 0.75 倍速逐句跟读，熟练之后再回到正常速度。
- 录下自己的声音并与原声对比，特别注意 frequency, ear, distribute 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。