preparation和preparing有区别为

preparation释义：

n. 预备准备

例句：

The company's team-building activities are still in preparation.

公司这次的团建活动还在准备之中。

词组：

preparation for为…做准备

preparation method制备方法

preparing释义：

v. 准备（prepare 的现在分词）

例句：

He was already preparing his run for the presidency.

他已经在为总统竞选做准备。