秒[miǎo] 基本解释：
新英汉大词典：
- 秒[miǎo]
- 量词- （时间计量单位） second (=1/60 of a minute):
Sixty seconds make a minute.60秒为1分。
He ran the race in 45 seconds.这次赛跑他用了45秒。
- （弧或角的以及经纬度的计量单位） second (= 1/60 of a minute):two degrees eight minutes and thirty seconds （2°8′30″）2度8分30秒
以上内容来源于：《新汉英大辞典》
例句与用法：
Middle C is equivalent to 256 vibrations per second.
Blast-off is in 30 seconds.
The smaller boys were given a start of 10 seconds in the race.
The winner cut ten seconds off (eg ran the distance ten seconds quicker than) the world record.
Although she came second their times were only a tenth of a second apart.
He beat the other runners by a margin of ten seconds.
He clocked 9.8 seconds for the 100 metres.
He told me that middle C is equivalent to 256 vibrations per second.
秒的其他解释: