1 a large, round, wooden, plastic or metal container for liquids, that has a flat top and bottom and is wider in the middle 大桶:
a beer/wine barrel啤酒/葡萄酒桶
2 a unit of measurement in the oil industry equal to approximately 159 litres 桶(石油计量单位,大致相当于159升):
The price of oil is usually given per barrel.油价通常按桶报价。
3 the long metal part of a gun like a tube through which the bullets are fired 枪管
barrel/ˋbærəl; ˈbærəl/n [C] 1 a large container for liquids such as beer〔存放啤酒等液体的〕桶: a beer barrel 啤酒桶+of a barrel of oil 一桶油2 the part of a gun that bullets are fired through 枪管
barrelbarrelbarrelsbarrelledbarreledbarrellingbarrelingnoun1a big container for liquids, with round sides and flat ends: a beer barrela barrel of oil2the long metal part of a gun that a bullet goes through