| 单词 | 秒数 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔count down〕The spaceship is already being counted down.宇宙飞船已开始倒计秒数。21世纪英汉〔count〕Sports The counting from one to ten seconds, during which time a boxer who has been knocked down must rise or be declared the loser.【体育运动】 数十：从一秒数到十秒，在此期间被击倒的拳击手必须站起来，不然便被宣布失败美国传统〔second hand〕The hand of a timepiece that marks the seconds.秒针：时钟指明秒数的指针美国传统〔square〕Take the time in seconds, square it, and multiply by 5.12.以秒为单位计时, 然后将秒数自乘, 再乘以5.12。外研社新世纪 |
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