barrel

n. 桶
vt. 装入桶内
【化】 桶(石油容积单位,等于158.99升); 膛; 机筒; 外套
【医】 牙冠[金属]环
【经】 桶, 石油桶
相关词组:
to have sb over a barrel

动词过去式:barreled,barrelled 过去分词:barreled,barrelled 现在分词:barreling,barrelling 第三人称单数:barrels,barrels 

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