n.[C]

1. 圓柱；圓筒；圓柱狀物
2. （發動機的）汽缸
   The cylinder is getting too much gas and not enough air.

   汽缸裡汽油太多而空氣不足。

3. （印刷機的）滾筒
4. 圓筒容器；（裝液化氣等的）鋼瓶
5. （左輪槍的）旋轉彈膛
6. 【數】柱；柱面

n.

1. a three-dimensional shape with straight parallel sides and a circular or oval cross section.
2. a piston chamber in a steam or internal-combustion engine.
3. a cylindrical container for liquefied gas under pressure.
4. a rotating metal drum in a printing press.