The exercise differed from the real thing in some crucial ways: it ran for only a day, and it hardly affected anyone who wasn't an air-traffic controller.

但演习与实际喷发有几个关键的不同之处：演习仅持续一天，几乎不会影响除空中管制员外的任何个人。

youdao

We have used silicon chips for only a few years, but life is changing faster every day.

我们使用硅芯片只有几年的时间，但生活每天变化得更快。

youdao

If every distraction took only 1 minute, that would account for 2.5 hours a day.

如果每次分心耗时1分钟，那每天的分心时长就会长达2.5小时。

youdao

Or they become sick for only a day or two.

VOA: special.2009.05.26

I did not work only a few hours each day -- no banker's hours for me.

VOA: special.2010.11.28

The British only stayed for a week, then marched out of town on July 4th, five years to the day after the American colonies had first declared their independence.

VOA: standard.2010.07.03

His sunshine will last for only a day, though.

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Northrop Grumman ( NOC - news - people ) makes an unmanned spy plane called Global Hawk, which can map and image huge areas quickly, but it is expensive, and expensive to fly, and can stay aloft for only a day or so.

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And so Lee spent the next five months virtually alone, reading Russian novels, writing a math textbook and leaving his cell for only one hour a day.

CNN: ASIANOW - TIME Asia | The Long Way Home