If someone belches, they make a sudden noise in their throat because air has risen up from their stomach.
例句
Garland covered his mouth with his hand and belched discreetly.加兰用手掩住嘴巴，小心地打了一个嗝。
V-ERG
喷出，冒出（烟、火等）；（烟、火等）喷出，冒出
If a machine or chimney belches something such as smoke or fire or if smoke or fire belches from it, large amounts of smoke or fire come from it.
例句
Tired old trucks were struggling up the road below us, belching black smoke...破旧的卡车冒着黑烟艰难地沿着我们下方的公路往上爬。Suddenly, clouds of steam started to belch from the engine.突然，滚滚蒸汽从发动机里冒了出来。
英汉词典释义
vi.
打嗝
Cucumber makes me belch.黃瓜吃得我打嗝。
英英词典释义
Noun
1. a reflex that expels wind noisily from the stomach through the mouth