spent三种用法

1、spend time／money on sth.在……上花费时间（金钱）。2、spend time／money(in)doing sth.花费时间（金钱）做某事。3、spend money for sth.花钱买某物。

spent例句

1、Radioactive waste is simply spent fuel

放射性废物就是用后的燃料。

2、Several spent cartridges have already been found.

几个空弹壳已经被找到。

3、I spent a night in London.

我在伦敦过了一宿。

4、I spent a couple of days sight-seeing in Guilin.

我在桂林盘桓了几天，观光了名胜。

5、Years have been spent in compiling this volume.

编辑本卷花了好几年时间。