百分之二十的同学一点也不锻炼。

Twenty percent of the students don't exercise at all.

youdao

她自己出去看看，要是能找到百分之二十的证据，她也就心满意足了。

She went out to see for herself; and she would have been content to find twenty per cent of the evidence.

youdao

若能引用具体数字，就十分具有说服力，比如，有百分之二十的病人能够戒烟。

When you can quote a specific number like a fifth of the patients were able to quit, that's compelling.

youdao

That's very nice. So basically, you get a lot of benefit supposedly from this 7-Up soda from the 1920's or so.

这非常好，因此基本上，在二十世纪二十年代,喝到这样的七喜恐怕对你大有好处。

麻省理工公开课 - 化学原理课程节选

Because it takes three units where there's only four choices at each position to have at least 20 unique combinations.

因为每个位点上仅有四种可能性,只有采用三个碱基一组,才能取得至少二十种不同的组合方式

耶鲁公开课 - 生物医学工程探索课程节选

So, we have this security and a ten-year bond would have twenty coupons attached, each with a date on them.

我们持有这样的证券，是十年期的债券,并附有二十张息票，每一个都有日期在上面。

耶鲁公开课 - 金融市场课程节选