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Heater
01
速球
a piece of equipment that produces heat to warm a place or increase the temperature of water
02
速球
(baseball) a pitch thrown with maximum velocity
例
The heater is essential during the chilly nights.
The heater's thermostat controls the temperature.
They turned off the heater when they left the house.
The heater makes a humming sound when it's on.
The heater is currently warming the entire room.
