一聽的用法和樣例：
例句
-
我們一聽說你病了，歡樂的氣氛一掃而光。
It took all the fun out of the occasion when we heard that you were ill. -
我一聽到好的立體聲音樂就樂不可支。
Listening to a good stereo system always freaks me out. -
鳥群一聽到槍聲就四處飛散了。
The birds scattered at the sound of the gun. -
只剩下一聽肉了。
There is only one can of meat left. -
他買了一聽啤酒。
He bought a can of beer.
