n.秒;
例句:
" May I bring a nice little bottle of Sec? "
“ 我带一瓶赛克白葡萄酒来行 吗 ?
The swimmer was timed at 50.50 sec.
这名游泳者的成绩被测定为五十点五零秒.
Be with you in a sec.
马上回来。