| 释义 |
piston ☞pistonn. [′pɪstǝn] (pistons)
双解释义 C 活塞 (in engines, pumps, etc.) a round piece usually of metal that fits inside a cylinder and moves up and down or backwards and forwards inside it 词汇搭配 ～+名词 ～ ring 活塞环 ～ rod 活塞杆句型例句 They use a piston engine instead. 他们改用活塞发动机。 One of the pistons in the engine had jammed. 引擎上的一个活塞塞住了。 |