These molecules burn more cleanly than gasoline, in part because they have fewer, if and, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.

这些分子燃烧起来比汽油更清洁，部分原因是它们的碳-碳键更少或者不存在，而且它们排放的碳氢化合物产生臭氧的可能性更小。

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These molecules burn more cleanly than gasoline, in part because they have fewer, if any, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.

这些分子燃烧起来比汽油更干净，部分原因是它们的碳-碳键更少（如果有的话），而且它们排放的碳氢化合物不太可能产生臭氧。

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The game had been cleanly fought.

这场比赛打得公平。

《柯林斯英汉双解大词典》

The Algenol bioreactors also produce oxygen as a byproduct and that can be fed into a power plant to burn coal more cleanly.

VOA: standard.2009.09.02

It gives you a lot of expressive convenience, you can write the programs much more cleanly, but most importantly, it's fast.

你可以把一些程序写的更清楚，最重要的是，它的效率非常高。

麻省理工公开课 - 计算机科学及编程导论课程节选

You might think -- and this board is -- and you know what, let's use the computer because it will erase more cleanly than chalk.

你可能会想--这个板子是--你们懂得，让我们使用电脑,因为它能比粉笔擦除地，更干净些。

哈佛公开课 - 计算机科学课程节选

"I am not going to lie and say I caught him cleanly, " said the champion.

BBC: Appleby wins featherweight crown

It's a question of us as a pack of forwards getting that ball cleanly to them.

BBC: London Irish forwards to blame for poor form - Thorpe

There were no ghettos, and every building appeared to have been cleanly painted before being destroyed.

BBC: De-mining in the Horn