cylinder
/ˈsɪlɪndə(r); `sɪlɪndɚ/ n
1
(a) (geometry 几) solid or hollow curved body with circular ends and straight sides 圆柱, （圆）柱体（实心或空心）; 柱面. =>illus at cube 见cube之插图.
(b) thing shaped like this 圆柱状物
The string is wound round a cardboard cylinder. 线缠绕在纸筒上.
the cylinder of a revolver, ie the part in which the cartridges are placed 左轮手枪的旋转弹膛.
2 cylinder-shaped hollow part inside which the piston moves in an engine （发动机的）汽缸
a six-cylinder engine/car 六缸发动机[六缸发动机汽车]. =>illus at piston 见piston之插图.
3 (idm 习语) working/firing on all `cylinders (infml 口) (operating) with full power or effort 开足马力; 竭尽全力
The office is working on all cylinders to get the job finished. 办公室人员正在竭尽全力争取把这工作干完.