柯林斯詞典boiler /?b??l?/ (boilers) 1. N-COUNT A boiler is a device that burns gas, oil, electricity, or coal in order to provide hot water, especially for the central heating in a building. 鍋爐 返回 boiler劍橋詞典a device that heats water , especially to provide heating and hot water in a house （尤指房子內(nèi)供煖和供應熱水的）鍋爐 the part of a steam engine where water is heated to provide power （蒸汽機的）汽鍋 返回 boiler