"二十"是个多义词,它可以指二十,二十岁(中国2018年屈楚萧主演电影),二十(安卓手机游戏)。
misc. 20 ; a score of
我当时二十岁,什么都愿意去做。
搅好面糊以后,放上二十分钟。
我觉得二十位客人就够了。
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。
It's nice to be around a lot of young people. There's a lot of people in their twenties,
我很喜欢周围有许多年轻人。这儿很多人只有二十来岁。
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
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