stack

n.[C]

1. 乾草堆，稻草堆，麥稈堆
   The grain has gone mouldy in the stack.

   垛裡的穀子發霉了。

2. （整齊的）一堆，一疊[S][（+of）]
   He placed his books in a neat stack.

   他把書整整齊齊放成一堆。

3. 【口】大量，許多[P1][（+of）]
   He's got stacks of money.

   他有許多錢。

4. （雙面）大書架；書庫[P1]
5. （三支步槍架成的）三角槍架
6. 煙囪；一排煙囪；排氣管
   We could see several smoking stacks in the distance.

   我們可以看到遠處好幾個冒著煙的煙囪。

7. （作定高分層盤旋的）待降機群