复数： fifteens

提示：点击例句中的单词，就可以看到词义解释

Policeman : he 's been here for fifteen hours !

警察乙：他在这里呆了十五个小时！

Both names are made of fifteen letters .

他们的名字都由十五个字母组成。

His work has been translated into fifteen languages .

他的作品曾被翻译为十五种语言。

I hadn 't walked across our old farm in fifteen years .

我已经有十五年没有走过我们的农场了。

That fifteen minutes is key , says duhigg .

都黑格说，这十五分钟是关键。