fall in

塌陷, 同意, 集合, 排队, 掉入, 跌入

例句与用法：

It is strange that he should fall in love with such a snobbish girl.

说来真怪，他居然与那位高傲的女孩子坠入情网。

A fall in demand for oil tankers has put jobs in jeopardy.

油轮需求量的下降使很多工作职位受到威胁。

The necessary outcome of a war is a fall in production.

战争带来的必然结果就是生产力下降。

It is natural that he should fall in love with such a beautiful girl.

他爱上那位美丽的姑娘是很自然的事。

A bugle call came round for us to fall in.

军号声传来，要我们排队集合。

详细释义：

1. 坍塌

The roof fell in.

屋顶坍塌了。

2. 排队

The captain ordered the men to fall in.

队长命令士兵们排队集合。