The difference between Class E and A airspace is that in Class A, all operations are IFR, and pilots must be instrument-rated, that is, skilled and licensed in aircraft instrumentation.

E 级和 A 级空域的区别在于，在 A 级空域，所有操作都需遵照仪表飞行规则，飞行员必须要有仪表等级，也就是说，要有操作航空仪表方面的技术和执照。

youdao

A: All the water in the colony is used over and over again.

答：整个殖民地的水都是来来回回循环利用的。

youdao

A: All tenants must pay three months rent deposit and one month's rent in advance.

租户须付三个月租金作押金和提前一个月预付租金。

youdao

But the fishing industry in Louisiana is responsible for about a third of all seafood caught in the United States.

VOA: special.2010.05.04

This pink line has to drop off from a all the way to c.

这条粉色的线要经过纵坐标a-c

耶鲁公开课 - 博弈论课程节选

and kind of did like a bar crawl all over the city, so that was a lot of fun.

然后穿梭于城里不同的酒吧中，所以这非常有趣。

交新朋友的方法 - SpeakingMax英语口语达人

Wally was the editor of the paper for many years, a Wisconsin bear of a man now semi-retired, and a all-around good guy.

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How ironic that on a day when Facebook shares hit a new all-time low, Apple shares finished at a new all-time high.

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One suspects, as Dan Drezner has argued, that those types of jobs really involve a all or nothing trade-off as part of their intrinsic nature.

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