第三人称复数：barrelfuls; barrelsful
1. 一桶之量：barreled 桶装的 | barrelful 一桶之量 | barrelhead 桶盖
2. 一桶之量, 大量：barreler || 高产油井 | barrelful || 一桶之量, 大量 | barrelhead || 桶盖
1. A barrel of oil equivalent is equal roughly to the amount of energy that is released by burning a barrelful of crude oil.
noun
1. the quantity that a barrel (of any size) will hold
Synonym: barrel