dehydrate

1. V-T When something such as food is dehydrated, all the water is removed from it, often in order to preserve it. 使脱水[usu passive]

Normally specimens have to be dehydrated. 通常标本必须得脱水。

2. V-T/V-I If you dehydrate or if something dehydrates you, you lose too much water from your body so that you feel weak or ill. 使脱水; (指人) 脱水

People can dehydrate in weather like this. 人在这样的天气里会脱水。

3. dehydrationN-UNCOUNT 脱水

...a child who's got diarrhoea and is suffering from dehydration. …一个得了腹泻并患脱水的孩子。