It is fast and dangerous.

它又快又危险。

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Some people like the electronic red packet because it is fast.

有些人喜欢电子红包，因为它很快捷。

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It is fast, simple, accurate, may become the analytical method for the missible oil quality standard.

它的快速，简单，准确，可能成为乳油质量标准的分析方法。

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What better way is there to sell a car than to say it is as fast as a wildcat.

VOA: special.2009.11.08

And then, of course, not just whether the reaction will occur but, how fast it occurs is really important.

当然，我们不光要研究一个反应会不会发生,反应速率多块也是很重要的研究问题。

麻省理工公开课 - 化学原理课程节选

So, let's see what the correct answer is, Wakefield and it is, in fact, Wakefield, right, because there's an inverse relationship between how fast a particle is going and what its wavelength is.

所以，让我们来看看,正确的答案是什么，事实上，答案是，因为粒子运动的快慢,与它的波长之间是一个反比例关系。

麻省理工公开课 - 化学原理课程节选

It is fast making friends with the Arab Gulf states, particularly Saudi Arabia.

ECONOMIST: Helping Khatami

Nowadays it is fast growth and scale that seem suspect, because they awaken memories of the over-leveraged firms that suffered most from the crash.

ECONOMIST: Give it a chance

But desertification is not limited to China and it is fast becoming a serious global problem that will only be exacerbated by climate change.

CNN: Desertification: How to stop the shifting sands