instruction on sth
how to do sth
同义词：directions
用法说明；操作指南
Follow the instructions on the packet carefully.
仔细按照包装上的说明操作。
The plant comes with full instructions on how to care for it.
这棵植物附有详尽的护养说明。

wash
洗；洗涤
These jeans need washing.
这条牛仔裤该洗了。
to wash the car
冲洗汽车
to wash your hands
洗手
Wash the fruit thoroughly before eating.
把水果彻底洗干净后再吃。

use
用；使用；得到利用
A ban was imposed on the use of chemical weapons.
化学武器已被禁止使用。
The software is designed for use in schools.
这个软件是为学校应用设计的。

来源:可可英语 http://www.kekenet.com/video/201710/526034.shtml