How do batteries work? – YouTube Dictation Transcript & Vocabulary
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交互式逐字稿与高亮
1.(phone ringing) - Hi, Doug
2.- Hi, Waylon
3.- I have a question for you
4.How do batteries work
5.- That's a great question
💡 Tap the highlighted words to see definitions and examples
关键词汇（CEFR B1）
experiment
B2A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried.
Example:
"As Volta tried to repeat Galvani's experiments,"
contained
A2To hold inside.
Example:
"contained not in frogs' muscles"
remembered
A2To reconstitute or reassemble that which has been dismembered.
Example:
"But that's when Volta remembered"
separated
A2To divide (a thing) into separate parts.
Example:
"separated by disks of salt water-soaked cardboard,"
involves
A2To roll or fold up; to wind round; to entwine.
Example:
"involves a story about frog legs."
involved
A2To roll or fold up; to wind round; to entwine.
Example:
"there was one other substance involved"
increase
A2An amount by which a quantity is increased.
Example:
"increase the strength of the shock."
anywhere
A2In or at any location or an unknown location.
Example:
"anywhere near an electrical outlet."
electric
A2(usually with definite article) Electricity; the electricity supply.
Example:
"No one had invented anything powered by electricity yet."
today's
A2A A2-level word commonly used in this context.
Example:
"Today's batteries may look different"
| 单词 | CEFR | 释义 |
|---|---|---|
| experiment | B2 | A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried. |
| contained | A2 | To hold inside. |
| remembered | A2 | To reconstitute or reassemble that which has been dismembered. |
| separated | A2 | To divide (a thing) into separate parts. |
| involves | A2 | To roll or fold up; to wind round; to entwine. |
| involved | A2 | To roll or fold up; to wind round; to entwine. |
| increase | A2 | An amount by which a quantity is increased. |
| anywhere | A2 | In or at any location or an unknown location. |
| electric | A2 | (usually with definite article) Electricity; the electricity supply. |
| today's | A2 | A A2-level word commonly used in this context. |
听写练习语法与发音技巧
Chunking
注意说话人在特定短语后的停顿，可帮助理解。
Linking
聆听连读现象，当单词连在一起时。
Intonation
关注音调变化，理解重点信息。
视频难度分析与数据
可下载听写资料
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