| 单词 | barrel | 
| 释义 | bar·rel    (bărəl)n. 1.  A large cylindrical container, usually made of staves bound together with hoops, with a flat top and bottom of equal diameter. 2.  The quantity that a barrel with a given or standard capacity will hold. 3.  Abbr. bar. or   bbl. or   bl. Any of various units of volume or capacity. In the US Customary System it varies, as a liquid measure, from 31 to 42 gallons (117 to 159 liters) as established by law or usage. 4.  A cylindrical or hollow part, especially: a.  The thicker portion of a baseball bat, from which the most powerful hits are struck. b.  The cylindrical part of a firearm through which the bullet travels. c.  A cylinder that contains a movable piston. d.  The drum of a capstan. e.  The cylinder within the mechanism of a timepiece that contains the mainspring. 5.  The trunk of a quadruped animal, such as a horse or cow. 6.  The tubular space inside a wave when it is breaking. 7.  Informal   A large quantity: a barrel of fun. 8.  Slang   An act or instance of moving rapidly, often recklessly, in a motor vehicle. adj.  Resembling or similar to a barrel, as in shape: a barrel chest; barrel hips. v.  bar·reled, bar·rel·ing, bar·rels or   bar·relled or  bar·rel·ling  v.tr.  To put or pack in a barrel. v.intr.  Idioms: Informal  To move or progress rapidly: "That the European Union barreled ahead was not surprising" (Richard W. Stevenson). on the  barrel/barrelhead  Granting, giving, or requesting no credit: paid cash on the barrel for the car.  over a barrel  In a very awkward position from which extrication is difficult: During the negotiations the opposing faction had us over a barrel. [Middle English barel, from Old French baril.]  | 
	
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