一股的用法和樣例：
例句
-
他吸了一口香煙，吐出來一股煙霧。
He draw on his cigarette and blow out a stream of smoke. -
一股冷空氣從敞開著的門口竄了進來。
A stream of cold air rushed through the open door. -
他打開窗，一股寒冷的空氣直向他撲來。
A blast of cold air hit him as he opened the window. -
房間里有一股令人難受的腐肉的臭味。
There is a loathsome smell of rotting flesh in the room.
