C 1. 圆筒,圆柱体 solid or hollow curved body with circular ends and straight sides
C 2.汽缸,泵体 cylinder-shaped hollow part inside which the piston moves in an engine
词汇搭配
名词+～
high〔low〕 pressure cylinder 高〔低〕压汽缸
steam cylinder 汽缸
oxygen cylinder 氧气瓶
介词+～
on all cylinders 竭尽全力地做,运转正常
句型例句
What's the volume of this cylinder?这个圆筒的体积有多少?
That jeep has four cylinders.那辆吉普车有四个汽缸。
They are working on all cylinders to get the job finished.他们正在竭尽全力争取把这工作干完。
