barrels

1. [C]桶 large round container with flat ends and bulging in the middle, made of wood, metal or plastic
2. [C]枪〔炮〕管 a long tube-shaped part of a gun

• beer barrel啤酒桶
• rifle barrel来复枪管

• a barrel of beer一桶啤酒

in the barrel [美国俚语、黑人用语] , ◎有丢饭碗危险的 , ◎丢了饭碗的；穷困潦倒的，一个子儿也没有

on the barrel现付的；以现金

gun barrel枪筒；炮筒；油水分离罐

pump barrel泵壳，泵筒

core barrel钻管；心管

barrel plating滚镀；筒式电镀

water barrel防水层；提水筒

pork barrel放猪肉的桶；（为讨好或报答支持者的）政治拨款

barrel theory筒体理论

machine barrel机筒

over a barrel受人摆布；处于困境

barrel distortion负畸变；桶形畸变；桶形失真

1. Beer swilled around the bottom of the barrel.
   啤酒在桶底晃荡。
2. The beer comes out of the barrel under pressure.
   啤酒受到压力从桶中流出。
3. This barrel contains 50 litres.
   这个桶容量为50升。
4. He made a barrel with staves by himself.
   他自己用桶板做了一只桶。
5. He emptied out the water barrel to clear it of sediment.
   他把水桶倒空以清掉桶底的沉淀物。
6. It will be adaptable to three separate barrel lengths for varying mission requirements.
   它将能够适用三种各自独立的枪管长度来应对不同的任务需求。
7. He bought twenty five barrel of wine.
   他买了25桶葡萄酒。
8. It boasts plenty of brightly coloured sea fans, soft corals and barrel sponges.
   它拥有大量的色彩鲜艳的海上球迷，软珊瑚和海绵桶。

1. They planned to barrel the beer next Monday.
   他们打算下星期一把啤酒装桶。
2. Because the USA is nearly bankrupt and the Chinese have them over a barrel.
   因为美国和中国已接近破产装桶。