"秒"是个多义词,它可以指秒(时间单位),秒(汉语词汇),秒(角度单位),秒(古代单位),秒(网络用语)。
庄创造了54.64秒的纪录。
获胜者用的时间为20.4秒。
获胜者的时间是11.6秒。
So, if something cycles through five wavelengths in a single second, we would just say that the frequency of that wave is five per second.
如果一个东西在一秒,内经历了五个波长,我们就说这个波的,频率是每秒5次。
You have a whole bunch of runners and five of them have all run it in under 15 seconds.
你有许多跑步选手,其中五个都在15,秒内跑完了。
If it takes you 1 / 60 of a second to go around once, then you do it 60 times a second.
如果转一圈要 1 / 60 秒,那么一秒就转了60圈
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