For five days, through one crisis after another, the Apollo 13 crew and mission specialists on the ground worked through each difficulty.

VOA: standard.2010.04.04

I've certainly worked a lot more than that on certain days.

有些日子工作时间比那个长多了。

电脑图片的魅力 - SpeakingMax英语口语达人

I've certainly worked a lot more than that on certain days.

有些日子工作时间比那个长多了。

电脑图片的魅力 - SpeakingMax英语口语达人