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protect from保护
例句：The cover is supposed to protect the machine from dust .
这个盖子会保护机器不进灰尘。
2.Untreated heat stress can lead to a more serious problem called heat exhaustion.
lead to导致, 引起
例句：In given conditions, a bad thing can lead to good results.
在一定条件下, 一件坏事可以导致好的结果。
An ordinary cold can soon lead to a fever.
一场普通的感冒很快便会引起高烧。
3.Doctors say people with such problems should rest quietly in a cool place and drink plenty of water.
plenty of很多, 大量的
例句：There is plenty of coal in this area.
这个地区有丰富的煤。
