[N-COUNT 可数名词]圆柱体;圆筒 A cylinder is an object with flat circular ends and long straight sides.
...a cylinder of foam...
泡沫橡胶圆柱体
It was recorded on a wax cylinder.
它被记录在一个蜡质圆柱上。
2
[N-COUNT 可数名词](存放气体的)圆筒状物 A gas cylinder is a cylinder-shaped container in which gas is kept under pressure.
[usu with supp]
...oxygen cylinders.
氧气瓶
3
[N-COUNT 可数名词](发动机的)汽缸 In an engine, a cylinder is a cylinder-shaped part in which a piston moves backwards and forwards.
...a 2.5 litre, four-cylinder engine.
2.5升的四缸发动机
Oxford
cy·lin·der/ˈsɪlɪndə(r); NAmEˈsɪlɪndər/noun _solids_comp.jpg _cylinder.jpg 1a solid or hollow figure with round ends and long straight sides 圆柱;圆柱体;圆筒2an object shaped like a cylinder,especially one used as a container (尤指用作容器的)圆筒状物◆a gas/oxygen cylinder气罐;氧气瓶3the hollow tube in an engine, shaped like a cylinder,inside which the pistonmoves (发动机的)气缸◆a six-cylinder engine六缸发动机IDIOMworking/firing on all ˈcylinders( informal) using all your energy to do sth; working as well as possible 竭尽全力;尽力干好;开足马力cylindercylinderscy·lin·der/ˈsɪlɪndə(r); NAmEˈsɪlɪndər/
1a shape, object, or container with circular ends and long straight sides → tube: The gases are stored in cylinders.2the tube within which a piston moves forwards and backwards in an engine: a four-cylinder engine3be firing/running on all cylinders informal to be operating or performing very well: The team is firing on all cylinders.
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