n. device that heats water or supplies warmth to a room
n. 加热器, 灯丝, 加热工
[化] 加热器
1. The heater keeps the room warm during winter.
暖气在冬天让房间保持温暖。
2. I turned on the heater because it was too cold outside.
我打开了暖气，因为外面太冷了。
3. Make sure the heater is off before you leave the house.
确保在你离开家之前暖气已经关掉。