sec是啥
问答
2025-07-30 14:38:33
例句：
Hang on a sec.
稍等一下。
She ran a personal best of 13.01 sec.
她跑出了13.01秒的个人最好成绩。
Hang on a sec. I'll come with you.
稍等，我跟你一起去。
Davis won the 400m. hurdles in a new Olympic time of 49.3 sec.
戴维斯以49.3秒的成绩刷新奥运会纪录，在400米跨栏赛跑中一举夺冠。
（责任编辑：叶丹）