barrel

n.[C]

1. （中間粗兩端細的）大桶
   The wine is left to mature in oak barrels.

   葡萄酒在橡木桶中陳釀。

   a beer barrel

   啤酒桶

2. 一桶的量；（液量單位）桶[（+of）]
   This country produces about 50 million barrels of oil per month.

   該國每月產油五千萬桶。

   How much does a barrel of oil cost?

   一桶石油要多少錢？

3. 槍管；砲筒
4. 筒形物；筆桿；活塞筒；羽毛管
5. （牛，馬的）軀幹
6. 【口】大量，許多[（+of）]
   a barrel of fun

   十分好玩

   He has a barrel of money about him.

   他身上帶著許多錢。