if smoke, cloud, etc. billows, it rises and moves in a large mass （烟雾等）涌出，大量冒出
A great cloud of smoke billowed out of the chimney.
滚滚浓烟从烟囱中喷涌而出。
if smoke, cloud, etc. billows, it rises and moves in a large mass （烟雾等）涌出，大量冒出
A great cloud of smoke billowed out of the chimney.
滚滚浓烟从烟囱中喷涌而出。