The midwife gave him a warm bath.

助产士给他洗了个温水澡。

《柯林斯英汉双解大词典》

Set up a bedtime ritual by taking a warm bath or shower, reading a book or listening to soft music.

养成睡前习惯，泡个热水浴或洗个热水澡，读本书或听轻音乐。

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He needs a warm bath now.

他现在需要洗个热水澡。

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Taking a warm bath or sitting by a fire or doing some exercise can also help the body warm up.

VOA: special.2009.12.30

You can also apply heat or take a warm bath to relax your muscles.

CNN: What causes muscle cramps?

The average temperature is above 40C, the sea is like a warm bath, the golden sand burns your feet and the ubiquitous tarmac is starting to sizzle.

BBC: Cool down in a Dubai ski chalet

In Europe no such partisan democratic body exists (the European Parliament is more remote from voters and less powerful than Congress, and MEPs live in a warm bath of mushy conventional wisdom).

ECONOMIST: Charlemagne: The Atlantic gap | The