These are extremely low sounds that we humans are unable to hear, but fans, wind turbines and traffic can produce them.
次声波的频率非常低,我们人类无法听到,但是它能产生于风扇,风轮机和交通工具。
单词 | fan wind |
例句 |
原声例句
假如有如果 These are extremely low sounds that we humans are unable to hear, but fans, wind turbines and traffic can produce them. 次声波的频率非常低,我们人类无法听到,但是它能产生于风扇,风轮机和交通工具。 AP 听力 2017年12月合集 A flare-up on the western edge of southern California's largest wildfire sent more residents fleeing Sunday as high winds fanned the flames. 周日,在加州南部最大野火的西部边缘又发生了一场大火,导致更多的居民逃离,大风一直在助长火势。 |
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