1、slow down

(使)放慢;(使)减速

The car slowed down as they passed Customs.

过海关的时候，车速慢了下来。

There is no cure for the disease, although drugs can slow down its rate of development.

尽管药物可以减缓病情的发展，但是这种病仍然是不治之症。

(使)身心松弛;(使)放松

You will need to slow down for a while.

你需要放松一段时间。

He was still taking some medication which slowed him down.

他仍然在服用能够让他放松下来的药物。

2、precious

宝贵的；珍贵的；贵重的

After four months in foreign parts, every hour at home was precious.

在国外呆了4个月后，在家的每一刻都是宝贵的。

A family break allows you to spend precious time together.

家庭度假会让你们一起度过宝贵的时光。

值得珍视的；可贵的；重要的

Her family's support is particularly precious to Josie.

家庭的支持对乔茜来说尤为可贵。

Mary left her most precious possession,a small bookcaseto her niece.

玛丽把她最珍视的财产 一个小书架，留给了她的侄女。