Currently NASA envisions a long stay for a crew at Mars, about 500 days.

美国宇航局现在设想让宇航员在火星上长期停留大约500天。

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The crew is scheduled to arrive at the station on Saturday for a week-long stay.

发现号的成员定于周六抵达空间站，并停留一周的时间。

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Hillary, Chelsea, and I arrived in Turkey for a five-day visit, an unusually long stay.

我、希拉里、切尔西抵达土耳其进行为期五天的访问，远比一般性的访问时间长。

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Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

He done gone off with a woman and made me come but she ain't going to stay for long."

他和一个女人跑了,不过那个女人也不会跟他待多久的“

耶鲁公开课 - 1945年后的美国小说课程节选

as long as we don't stay out in it enough to where we get burned.

只要别晒得太久，晒伤了。

我来自阿拉斯加 - SpeakingMax英语口语达人

Mr Bird and several of his former ministers face corruption charges relating to events during their long stay in office.

ECONOMIST: The Stanford affair

Hollywood legends Audrey Hepburn, Elizabeth Taylor and Cary Grant walked the halls, and Richard Nixon had a long stay there before he was elected president.

FORBES: Taj Hotels is extending another Tata arm to America.