英汉词典

1. 圆柱体;圆筒
    A cylinder is an object with flat circular ends and long straight sides.

cylinder的翻译

    e.g. ...a cylinder of foam...
           泡沫橡胶圆柱体
    e.g. It was recorded on a wax cylinder.
           它被记录在一个蜡质圆柱上。

2. (存放气体的)圆筒状物
    A gas cylinder is a cylinder-shaped container in which gas is kept under pressure.

    e.g. ...oxygen cylinders.
           氧气瓶

3. (发动机的)汽缸
    In an engine, a cylinder is a cylinder-shaped part in which a piston moves backwards and forwards.

    e.g. ...a 2.5 litre, four-cylinder engine.
           2.5升的四缸发动机