单词：piston
[医] 活塞(如注射器的)
n. mechanical device that has a plunging or thrusting motion
考试类型：[六级/考研/IELTS]
piston的用法和样例：
例句
- All the apprentices rushed to help fit the piston.徒工们都跑过来帮助装活塞。
- They use a piston engine instead.他们改用活塞发动机。
常见句型
- 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。
词汇搭配
- piston ring活塞环
- piston rod活塞杆
- plunger活塞
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