barrel

名词 barrel:

1. a tube through which a bullet travels when a gun is fired
   同义词：gun barrel
2. a cylindrical container that holds liquids
   同义词：cask
3. a bulging cylindrical shape; hollow with flat ends
   同义词：drum
4. the quantity that a barrel (of any size) will hold
   同义词：barrelful
5. any of various units of capacity
   同义词：bbl

动词 barrel:

1. put in barrels

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. The worker repaired the barrel with a hoop iron.
   这个工人用一个铁箍修桶。
7. Tilt the barrel forward to empty it.
   把桶向前倾，倒出里面的东西。
8. He bought a barrel of beer.
   他买了一桶啤酒。

bar.rel

n.（名词）
A large, cylindrical container, usually made of staves bound together with hoops, with a flat top and bottom of equal diameter.
桶：圆柱形大容器，常由桶板及周围的铁箍组成，平顶平底且直径等同
The quantity that a barrel with a given or standard capacity will hold.
一桶之量：一只桶能装的固定或标准量
Abbr. bar.,bbl,bbl.,bl.Any of various units of volume or capacity. In the U.S. Customary System it varies, as a liquid measure, from 3 to 42 gallons (20 to 59 liters) as established by law or usage.See table at measurement
缩写 bar.,bbl,bbl.,bl.一桶液量之单位：许多体积或容量单位的任一个。在美国惯用系统中，它作为液体测量单位，数值在被法规或惯用法确立的数值3加仑到42加仑（20到59升）之间变动参见 measurement
The cylindrical part or hollow shaft of any of various mechanisms, as:
圆筒：任何机械物的圆柱形部分或空的杆状物，如：
The metal, cylindrical part of a firearm through which the bullet travels.
枪管：枪的圆柱形金属部分，供子弹穿过
A cylinder that contains a movable piston.
活塞筒：装有可移动的活塞的圆柱状物
The drum of a capstan.
滚筒：绞盘的圆筒状物
The cylinder within the mechanism of a timepiece that contains the mainspring.
发条盒：一圆柱形物，内装含有主发条的表的零件
Informal A large quantity:
【非正式用语】 大量：
例句：
a barrel of fun.
非常有趣

Slang An act or an instance of moving rapidly, often recklessly, in a motor vehicle.
【俚语】 莽撞行驶：机动车高速且常莽撞行驶的过程或例子
adj.（形容词）
Likened to a barrel, as in shape:
桶状的：象桶的，如在形状上象桶的：
例句：
a barrel chest; barrel hips.
过于丰满的胸部；大臀部

v.（动词）
bar.reled 或 bar.relled bar.rel.ing 或 bar.rel.ling bar.rels 或 bar.rels
v.tr.（及物动词）
To put or pack in a barrel.
装进桶里，放进桶里
v.intr.Slang （不及物动词）【俚语】
To move at a high speed.
高速行驶

<习惯用语>on the barrel 或
on the barrelhead
Granting, giving, or requesting no credit:
以现金的，现付的：不承认、不给或不要信用卡的：
例句：
paid cash on the barrel for the car.
付现金买了这辆车

over a barrel
In a very awkward position from which extrication is difficult:
困境：很难摆脱的艰难处境：
例句：
During the negotiations the opposing faction had us over a barrel.
在谈判中，那个对抗的派别使我们一筹莫展

来源：
Middle English barel
中古英语 barel
from Old French baril
源自 古法语 baril