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- 中央C音相当於每秒钟振动256次。
Middle C is equivalent to 256 vibrations per second.
- 他告诉我说中央C音相当于每秒振动256次。
He told me that middle C is equivalent to 256 vibrations per second.
- 耳膜的振动帮助声音传送到大脑。
A vibrating membrane in the ear helps to convey sounds to the brain.
- 钢琴的琴键一弹琴弦就振动出声。
The strings of a piano vibrate when the keys are struck.
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