boil.er
n.(名词)An enclosed vessel in which water is heated and circulated, either as hot water or as steam, for heating or power.锅炉,汽锅:一种封闭的容器,可对热水或蒸气在此加热或进行循环,以获取热量或动力A container, such as a kettle, for boiling liquids.水壶:用来煮东西或装热水的器皿,如热水壶A storage tank for hot water.水箱:盛放热水的储存箱