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单词 vibrations per second
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原声例句
TED-Ed(视频版)

Human ears are most sensitive to frequencies between 2,000 and 5,000 vibrations per second.

人耳对每秒 2,000 到 5,000 次振动的频率最敏感。

切达科学解读

The human ear can perceive sound ranging in frequency from a low of 20 to a high of 20,000 cycles or vibrations per second.

人耳可以感知的声音频率范围从低至 20 到高至每秒 20,000 次或振动。

SciSHow 快问快答小科普

We know that at least some plants can " hear" us talking in the sense that they respond to sound waves with frequencies in our vocal range— roughly between 50 and 500 hertz, or vibrations per second.

我们知道,至少有些植物可以“听到”我们的谈话,因为它们对频率在我们声音范围内的声波做出反应——大约在 50 到 500 赫兹之间,或每秒振动。

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