n.可竭尽性；可用尽
The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。
The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
Something has gone wrong with the car's exhaust system. 汽车的排气系统出了故障。
Effective measures have been taken to prevent exhaust pollution. 业已采取有效措施以防止废气污染。
n.用不完；无穷尽；不知疲倦
