Heater
01
加热器, 暖气
a piece of equipment that produces heat to warm a place or increase the temperature of water
例子
She turned on the heater to warm up the room.
她打开了加热器来温暖房间。
The heater is essential during the chilly nights.
在寒冷的夜晚，加热器是必不可少的。
02
快球, 以最大速度投出的球
(baseball) a pitch thrown with maximum velocity
