跟讀練習: Experimental Variables - 通過影片學習英語口語

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每種模式都會開啟全屏練習室。

25 句

如果句子過短或過長，請點選 Edit 進行調整。

A student wants to find out whether the amount of light a plant receives affects how tall it grows.

She sets up three identical potted plants, one in normal sunlight, one under a bright grow lamp,

and one in a dark cupboard.

you you Thank you.

But to get a reliable answer, she needs to design this experiment carefully.

She needs to understand three types of variables.

The first is the independent variable.

This is the one thing she deliberately changes, the cause she's testing.

Here, that's the amount of light.

She's testing three levels: normal, Hi and None you An easy way to remember it I change it.

I for independent, I.

The second is the dependent variable.

This is what she measures, the result.

Here, that's the height of each plant, measured in centimeters after a set number of weeks.

She doesn't control this value.

She simply records what happens.

An easy way to remember, it gives you your data.

D for dependent, D for data.

you The third is the controlled variables.

These are everything else that must stay exactly the same to keep the test fair.

She uses the same pot size, the same soil, and gives each plant the same amount of water.

If she gave one plant more water than the others, she wouldn't know whether it was the light or the extra water that caused any difference in growth.

An easy way to remember: keep it fair.

Change one thing, measure one thing, keep everything else the same.

you That's what makes an experiment fair, and that's how scientists find out what really causes what.

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本課的詞彙與口語要點

這節 B1 級別的口語課以影片“Experimental Variables”為素材。影片中反覆出現的詞有：plant, variable, fair, amount。這段影片共有 25 個句子、272 個單詞可供跟讀。講話部分時長為 2:06。說話人語速平穩，每分鐘約 129 個詞，很適合跟讀。 87% 的單詞屬於英語最常用的 3,000 詞，詞彙容易理解。

影片中的重點詞彙

影片中最難的 12 個單詞，附發音和釋義：

單詞	發音	釋義
experiment 名詞	/ɪkˈspɛɹ.ə.mənt/	實驗 /實驗
dependent 形容詞	/dɪˈpɛndənt/	依靠, 倚賴 /倚賴
carefully 副詞	/ˈkɛɹf(ə)li/	小心地
soil 名詞	/sɔɪl/	土壤, 泥土
pot 名詞	/pɑt/	鍋 /鍋, 壺 /壺
reliable 形容詞	/ɹɪˈlaɪəbl̩/	可靠, 穩妥 /穩妥
identical 形容詞	/ɪˈdɛntɪkl̩/	相同, 同一
scientist 名詞	/ˈsaɪəntəst/	科學家 /科學家
lamp 名詞	/ˈlæ̝mp/	燈 /燈, 電燈 /電燈
deliberately 副詞	/dɪˈlɪb.(ə.)ɹət.li/	故意, 蓄意
sunlight 名詞	/ˈsʌnˌlaɪt/	陽光 /陽光, 日光
cupboard 名詞	/ˈkʌb.əd/	櫥櫃 /櫥櫃, 櫃子 /櫃子

影片中出現的短語動詞

單詞	釋義
find out 動詞	找出, 查明

需要注意的發音

長單詞——注意重音位置: experiment /ɪkˈspɛɹ.ə.mənt/, deliberately /dɪˈlɪb.(ə.)ɹət.li/

中文母語者容易讀錯的音：

詞尾子音 — 要讀清楚，後面不要加母音: experiment /ɪkˈspɛɹ.ə.mənt/, dependent /dɪˈpɛndənt/, pot /pɑt/, scientist /ˈsaɪəntəst/, lamp /ˈlæ̝mp/
/r/ 和 /l/ 的區別: variable [ˈvæɹ.i.ə.bl̩], carefully /ˈkɛɹf(ə)li/, reliable /ɹɪˈlaɪəbl̩/, deliberately /dɪˈlɪb.(ə.)ɹət.li/
/æ/ — 嘴張大，不要讀成 /e/: variable [ˈvæɹ.i.ə.bl̩], lamp /ˈlæ̝mp/

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 experiment, dependent, carefully 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 →

跟讀練習: Experimental Variables - 通過影片學習英語口語

選擇練習模式

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