This reservoir extends a good five kilometers.

这个水库足有5公里。

youdao

This reservoir extends a good five kilometres.

这个水库南北足有5公里。

《新英汉大辞典》

It's a good five kilometres from here to the airport.

从这里到机场足有5公里。

《新英汉大辞典》

Business was so good that a five thousand dollar investment in the cattle industry could make forty-five thousand dollars in four years.

VOA: special.2010.03.18

How do you deal with that trade-off where you absolutely need an ad sales force but at the same time, if one person at a time, you just can't say let's go out and hire five good engineers or five good ad sales people and not have them be great?

如何做出选择，如何取舍,当你急需一批销售人员，但如果只碰见一个合适的人选，你不只能因此去找,5个差不多的工程师,或者5个差不多的广告销售？

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Some people argued that there are certain things that are just categorically wrong even if they bring about a good result, even if they saved five people at the cost of one life.

有些人认为,某些行为反正就是绝对错误的,即便该行为产生了好的结果，即便能牺牲一人挽救五人性命。

耶鲁公开课 - 公正课程节选

This means a good five hundred years of no word for it, you see, yes?

NEWYORKER: Wiggle Room

"The forwards were awesome - they kept hold of the ball for a good five minutes, " said Wigglesworth.

BBC: Ashton proud of England display

And the recent five year real estate boom there has a good five more years before home values stop appreciating.

FORBES: Brazil Housing Market Booming 'Til 2017