复数： twentieths

It is only a pilot project , less than a twentieth of the size of most modern coal-fired plants .

这个项目还只是一个试点项目，其规模还不到大部分现代化燃煤电厂的二十分之一。

The smaller girl was already quietly repeating the words of her song for the twentieth time .

小女孩已经在第二十次轻声重复她的歌词。

If a man likes you , he 's going to like you whether you sleep with him on the first date , the fifth date or the twentieth date .

如果一个男子爱慕你，那么不管你是否在首次约会就跟他“办事儿”，还是在第五次，第二十次约会，他都喜欢你。

Foreign-currency reserves have been shrinking ; inflation is running at 12 % , tourism has slumped by a third ; strikes , crime and uncertainty reduced foreign investment last year to less than a twentieth of what it was in 2007 .

埃及外汇储备缩水，通货膨胀率为12%，旅游业总值降低了三分之一，罢工、犯罪以及一些不确定因素致使埃及去年外国投资总额比2007年减少了二十分之一。