Childbirth preparation classes routinely teach pregnant women deep breathing exercises to minimize the pain and anxiety of labor.

分娩准备班，常例行公事地教孕妇们深呼吸的练习以减少分娩所带来的痛苦和忧郁。

youdao

The Language School wants me to do a bit of exam preparation, but also quite a lot of work in companies and factories, and a couple of children's classes.

语言学校想让我做一些考试准备，但也有很多工作是关于公司和工厂，和有几个孩子的班级。

youdao

This handbook covers the major classes of polymeric foams and discusses their chemistry, properties, preparation methods including commercial processes, and applications.

这本手册涵盖了聚合物泡沫的主要类别，并讨论它们的化学性质，制备方法，包括商业流程和应用程序。

youdao

The website is designed to answer questions such as how to apply for financial aid and where to find SAT preparation classes.

WSJ: New NYC website aims to help with college process

Parents who can afford test preparation have flocked to companies that provide classes and tutoring, spending hundreds and even thousands of dollars.

WSJ: Big Change in Gifted and Talented Testing

Tutoring companies across the city have reported a frenzy since the NNAT was announced, with families signing children up for private tutoring sessions, enrolling them in multiweek boot camp classes, and buying test preparation booklets in droves even though the test won't be administered until January.

WSJ: Big Change in Gifted and Talented Testing