noun 下载 🔗分享 旋翼机,自转旋翼飞机 An aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller. Examples : "The farmer used an autogyro to quickly survey his vast fields from above, its unpowered rotor blades spinning rapidly in the wind. " 农场主用一架旋翼机从上方快速勘察他广阔的田地,它那无动力的旋翼叶片在风中快速旋转。 vehicle machine technology 与AI对话词汇游戏阅读练习