跟讀練習: Scuba Diving Risks - Decompression Sickness - 通過影片學習英語口語
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29 句
如果句子過短或過長，請點選 Edit 進行調整。
1
Decompression sickness occurred for the first time when workers surfaced from their pressurised workspace,
2
the casson, without step -by -step pressure equalisation.
3
The sickness can be caused by several different factors, including the dive time, the depth, and the surfacing method.
4
Decompression sickness can be caused by diving too long or by surfacing too quickly, unless Yes, several life -saving rules are observed.
5
With increasing ambient pressure, the nitrogen contained in the air you breathe dissolves in your blood.
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In order to keep the nitrogen dissolved when resurfacing, when the ambient pressure decreases, it's vital not to ascend too quickly.
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This is why it's very important to achieve a controlled ascent of not more than 10 metres per minute.
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If the pressure decreases too quickly, nitrogen bubbles form in blood and body tissue as not enough can be breathed out.
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The bubbles in the blood are similar to champagne bubbles that form after you open the bottle.
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This is also a pressure drop.
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Even with light decompression sickness, the bubbles can cause itching skin.
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In fact, this
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This is usually the first sign of decompression sickness.
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These creeps can also be the starting signs of a serious illness.
15
Obese divers may feel stomach pains because the nitrogen is carried off more slowly from fatty tissue,
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which has less effective blood circulation than muscle tissue.
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This is why fat is considered slow tissue.
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Heart and skeletal muscles are examples of fast tissues.
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Sometimes a diver will suffer from the bends.
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These manifest themselves in the form of aching muscles,
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joints and bones and are caused by nitrogen bubbles gathering in the afflicted areas.
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Temporary paralysis can occur.
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The casualty may feel such strong pain that he writhes in agony.
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If the bubbles form in the brain, or in the central nervous system, certain nerves may become paralysed or even paraplegia can occur.
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In the brain, the bubbles can cause hallucinations or blindness, and sometimes they lead to death.
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If decompression times are disregarded, gas bubbles can form in the bloodstream.
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If bubbles gather in the lung, they can cause acute respiratory depression,
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coughing and anxiety and possibly also cardiac arrest.
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Gas bubbles cutting off the coronary arteries can also lead to a heart attack.
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本課的詞彙與口語要點
這節口語課以影片“Scuba Diving Risks - Decompression Sickness”為素材。 影片中反覆出現的詞有：bubbles, decompression, nitrogen, sickness, tissue。 這段影片共有 29 個句子、372 個單詞可供跟讀。 講話部分時長為 2:58。 說話人語速平穩，每分鐘約 125 個詞，很適合跟讀。 只有 72% 的單詞屬於英語最常用的 3,000 詞，詞彙難度較高。
影片中的重點詞彙
影片中 15 個值得學習的單詞，附發音和釋義：
| 單詞 | 發音 | 釋義 |
|---|---|---|
| bubble 名詞 | /ˈbʌbəl/ | 泡, 氣泡 /氣泡 |
| tissue 名詞 | /ˈtɪʃ.(j)u/ | 紙巾 |
| sickness 名詞 | /ˈsɪknɪs/ | 疾病 |
| nitrogen 名詞 | /ˈnaɪ.tɹə.d͡ʒən/ | 氮, 氮氣 /氮氣 |
| occur 動詞 | /əˈkɜː/ | 發生 /發生 |
| muscle 名詞 | /ˈmʌs.əl/ | 肌肉, 筋肉 |
| breathe 動詞 | /bɹiːð/ | 呼吸, 吸 |
| decrease 動詞 | /dɪˈkɹiːs/ | 減少 /減少, 下降 |
| dive 動詞 | /daɪv/ | 潛水 /潛水 |
| ambient 形容詞 | /ˈæm.bi.ənt/ | 氛圍 /氛圍 |
| temporary 形容詞 | /ˈtɛmp(əˌɹ)ɛɹi/ | 暫時 /暫時 |
| bone 名詞 | /boʊn/ | гўдў, гўдўзы |
| anxiety 名詞 | /æŋˈzaɪ.əti/ | 焦慮 /焦慮, 擔心 |
| suffer 動詞 | /ˈsʌfɚ/ | 受苦, 遭受 |
| worker 名詞 | /ˈwɝ.kɚ/ | 工人, 工作者 |
影片中出現的短語動詞
| 單詞 | 發音 | 釋義 |
|---|---|---|
| cut off 動詞 | /ˌkʌt ˈɔf/ [ˌkɐɾ ˈɔf] | 切下, 割下 |
需要注意的發音
- “th” 音: breathe /bɹiːð/, gather /ˈɡæðɚ/, writhe /ɹaɪð/
- “sh” 和 “zh” 音: tissue /ˈtɪʃ.(j)u/, circulation /ˌsɝkjʊˈleɪʃən/, champagne /ʃæmˈpeɪn/, casualty /ˈkæʒu.əlti/, decompression /ˌdiːkəmˈpɹɛʃən/
- 長單詞——注意重音位置: temporary /ˈtɛmp(əˌɹ)ɛɹi/, anxiety /æŋˈzaɪ.əti/, circulation /ˌsɝkjʊˈleɪʃən/, respiratory /ɹɪˈspɪ.ɹət.ə.ɹi/, casualty /ˈkæʒu.əlti/
中文母語者容易讀錯的音：
- /v/ — 不要讀成 /w/，上齒輕觸下唇: dive /daɪv/, vital /ˈvaɪtəl/, nerve /nɝv/, observe /əbˈzɜːv/, dissolve /dɪˈzɑlv/
- 詞尾子音 — 要讀清楚，後面不要加母音: sickness /ˈsɪknɪs/, decrease /dɪˈkɹiːs/, dive /daɪv/, ambient /ˈæm.bi.ənt/, stomach /ˈstʌmək/
- /r/ 和 /l/ 的區別: bloodstream /ˈblʌd.stɹɪim/, paralysis /pəˈɹæləsəs/
如何用這段影片練習
- 先完整聽一遍影片，不要開口，記下不認識的單詞。
- 用正常速度逐句跟讀，每句重複到你的節奏與說話人一致為止。
- 錄下自己的聲音並與原聲對比，特別注意 bubble, tissue, sickness 這類單詞。
什麼是跟讀法？
跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。