She's already shaved four seconds off the national record for the mile.

她已经把1英里赛跑的全国纪录减少了4秒。

《柯林斯英汉双解大词典》

Two seconds, three seconds, four seconds.

两秒钟,三秒钟,四秒钟

youdao

The cycle value is four seconds, minimum.

周期值最小是4秒。

youdao

NASA officials counted down the seconds: five,four,three,two,one.

VOA: special.2009.07.08

Two seconds, three seconds, four seconds.

两秒钟,三秒钟,四秒钟

耶鲁公开课 - 聆听音乐课程节选

When the bug was on a hairy patch it was detected, on average, every four seconds.

ECONOMIST: Body hair

By contrast, he's shot just 21.9% (9-for-41) after holding it for more than four seconds.

WSJ: Spotting Carmelo Anthony's Shooting Problem

Gamera I's first flight in May 2011 lifted off the ground for about four seconds.

WSJ: Flight of Fancy: The Sky's the Limit for Team That Rises to the Occasion