正确的拼写是preparation.当安排讲时用复数，当准备讲时不可数，当用于食物、药品和化妆品等时可数，可单可复。

常用短语：surface preparation 表面处理；preparation for 建议，准备。

扩展资料

Preparations for the wedding were made under a cloak of secrecy.

婚礼的准备工作是在秘密的掩饰中进行的。

Preparations have got under way for a week of special events in May.

五月份特别活动周的准备工作已经开始。

The wedding preparations take weeks but the actual ceremony takes less than an hour.

准备婚礼要几周，而婚礼仪式本身还不到一小时。

There are a lot of preparations to make.

有很多准备工作要做。

We won't start the work until all the preparations have been made.

直到所有的准备都做好了，我们才开始工作。