You should wear strong shoes.

你应该穿结实的鞋子。

First, is everyone wearing strong shoes and thick socks?

首先，大家都穿了结实的鞋子和厚袜子吗？

Whenever you walk in the hills, you must wear strong shoes.

每当你在山里行走时，你必须穿结实的鞋子。

Some companies produce strong shoes made for walking and extremely small stoves for cooking.

一些公司生产耐穿的鞋子,还有煮食用的微型气炉.