跟讀練習: Lemongrass Oil | How It's Made - 通過影片學習英語口語

選擇練習模式

每種模式都會開啟全屏練習室。

23 句
如果句子過短或過長，請點選 Edit 進行調整。
1
Narrator: WORKERS UNLOCK THE TOP OF THE STILL AND POUR IN CHLORINE-FREE, DEIONIZED WATER.
2
ONCE THE STILL IS ONE-QUARTER FULL, THEY ADD THE LEMONGRASS.
3
THEY STACK THE BUNDLES IN A CRISSCROSS FASHION, CREATING GAPS FOR STEAM TO PASS THROUGH.
4
THEY SCREW THE LID TIGHTLY TO PREVENT THE LOSS OF STEAM DURING DISTILLATION.
5
THEY ACTIVATE THE STILL, AND IT HEATS THE WATER TO THE BOILING POINT.
6
STEAM RISES THROUGH THE PLANTS AND PICKS UP THE OILS.
7
IT CARRIES THE OIL VAPOR UP THROUGH A PIPE AND INTO A CONDENSER, WHERE THE VAPORS COOL AND RETURN TO A LIQUID FORM.
8
THE LIQUID OIL AND WATER DRIP OUT INTO A FLASK.
9
OIL AND WATER DON'T MIX.
10
SO THE OIL FLOATS TO THE TOP.
11
AND THE WATER IS DRAINED OFF AND RECYCLED BACK INTO THE DISTILLER.
12
THE TECHNICIAN THEN COLLECTS THE LEMONGRASS OIL IN A BOTTLE ONE DROP AT A TIME.
13
THE LEMONGRASS OIL UNDERGOES A SECOND DISTILLATION IN A LABORATORY, USING A MORE SENSITIVE PIECE OF EQUIPMENT KNOWN AS A ROTARY VACUUM EVAPORATOR.
14
THE OIL FLOWS INTO A FLASK THAT'S SPINNING IN A HOT BATH OF VEGETABLE OIL.
15
THE EVAPORATOR PUMPS OUT AIR AND CREATES A VACUUM IN THE FLASK, WHICH LOWERS THE BOILING POINT.
16
THIS PREVENTS DAMAGE TO THE DELICATE MOLECULES RESPONSIBLE FOR THE LEMONGRASS SCENT.
17
THE OIL VAPORS RISE TO A CONDENSER COIL WHERE THEY RELIQUEFY, LEAVING ANY RESIDUAL WATER AND IMPURITIES BEHIND.
18
THE PURE LEMONGRASS OIL DRIPS INTO A RECEIVER FLASK.
19
AS DISTILLED LEMONGRASS OIL IS COLLECTED, MORE FLOWS INTO THE EVAPORATOR BEAKER FOR PURIFICATION.
20
THE DISTILLING PROCESS IS CONTINUOUS.
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THE ROTARY VACUUM EVAPORATOR PROCESSES ROUGHLY 2 TO 3 QUARTS OF FRAGRANT OIL PER HOUR.
22
THEY STORE THE LEMONGRASS OIL IN A COLD ROOM WITH OTHER ESSENTIAL OILS.
23
LIKE FINE WINE, IT MUST BE KEPT COOL, OR IT COULD SPOIL AND RUIN ITS BOUQUET.

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本課的詞彙與口語要點

這節 B2 級別的口語課以影片“Lemongrass Oil”為素材。 影片中反覆出現的詞有：oil, lemongrass, evaporator, flask, vapor。 這段影片共有 23 個句子、304 個單詞可供跟讀。 講話部分時長為 2:28。 說話人語速平穩，每分鐘約 123 個詞，很適合跟讀。 只有 64% 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

影片中最難的 15 個單詞，附發音和釋義：

單詞發音釋義
lemongrass 名詞香茅, 檸檬草 /檸檬草
flask 名詞/ˈflæsk/水壺 /水壺, 長頸瓶 /長頸瓶
vapor 名詞/ˈveɪpɚ/蒸氣 /蒸氣
vacuum 名詞/ˈvæ.kjuːm/真空
condenser 名詞/ˈkʰəndɛnsɚ/冷凝器, 凝結器 /凝結器
distil 動詞/dəˈstɪl/蒸餾 /蒸餾
distillation 名詞/dɪstɪˈleɪʃən/蒸餾 /蒸餾
drip 動詞/ˈdɹɪp/滴, 滴下
boil 動詞/bɔɪ(ə)l/煮沸, 煮
beaker 名詞/ˈbiːkɚ/燒杯 /燒杯
bouquet 名詞/buːˈkeɪ/花束
fragrant 形容詞/ˈfɹeɪ.ɡɹənt/芬香, 香
impurity 名詞/ɪmˈpjɝɪti/不潔 /不潔
purification 名詞/ˌpjʊəɹɪfɪˈkeɪʃən/使純淨 /使純淨, 使潔淨 /使潔淨
recycle 動詞/ɹəˈsaɪkəl/迴圈再造 /迴圈再造, 回收

影片中出現的短語動詞

單詞釋義
pick up 動詞拾取, 撿 /撿

需要注意的發音

  • “sh” 和 “zh” 音: distillation /dɪstɪˈleɪʃən/, purification /ˌpjʊəɹɪfɪˈkeɪʃən/, technician /tɛkˈnɪʃən/
  • 長單詞——注意重音位置: evaporator /ɪˈvæp.ə.ɹeɪt.ɚ/, distillation /dɪstɪˈleɪʃən/, purification /ˌpjʊəɹɪfɪˈkeɪʃən/, residual /ɹɪˈzɪd͡ʒ.u.əl/

中文母語者容易讀錯的音：

  • /v/ — 不要讀成 /w/，上齒輕觸下唇: evaporator /ɪˈvæp.ə.ɹeɪt.ɚ/, vapor /ˈveɪpɚ/, vacuum /ˈvæ.kjuːm/, activate /ˈæktɪˌveɪt/, vegetable /ˈvɛd͡ʒ.tə.bəl/
  • 詞尾子音 — 要讀清楚，後面不要加母音: flask /ˈflæsk/, drip /ˈdɹɪp/, crisscross /ˈkɹɪsˌkɹɒs/, fragrant /ˈfɹeɪ.ɡɹənt/, activate /ˈæktɪˌveɪt/
  • /r/ 和 /l/ 的區別: recycle /ɹəˈsaɪkəl/, residual /ɹɪˈzɪd͡ʒ.u.əl/

如何用這段影片練習

  1. 先完整聽一遍影片，不要開口，記下不認識的單詞。
  2. 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。
  3. 錄下自己的聲音並與原聲對比，特別注意 lemongrass, flask, vapor 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。

影子跟讀法: 閱讀完整分步指南 →