名词
中文翻译：热水罐
同义词：
['hot water bottle', 'hot water flask例句：1. The hot-water cylinder is used to store hot water for later use.（热水罐用于储存热水以便日后使用。）']
例句：
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1. The hot-water cylinder is used to store hot water for later use.
热水罐用于储存热水以便日后使用。
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2.She put the hot-water cylinder in the cupboard and filled it with hot water.
她把热水罐放在橱柜里，用热水填满它。
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3. The hot-water cylinder was a useful tool for camping trips.
热水罐是野营旅行中一个有用的工具。