noun 下载 🔗分享 曲轴, 连杆。 A rotating shaft that drives (or is driven by) a crank. Examples : "The mechanic showed me the damaged crankshaft from my car's engine. " 那位修车师傅给我看了我汽车引擎里损坏的曲轴,就是连接活塞和动力输出的部分。 machine part vehicle technical 与AI对话词汇游戏阅读练习