中文翻译与英英解释

hot water bag , hot-water bottle 热水袋。

bag:    n. 1.袋，囊；枕套。 2.钱包；手提皮包；〔pl.〕 ...

a stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
同义词：hot-water bottle,