noun 下载 🔗分享 直升机,旋翼机。 Any aircraft that obtains its lift from rotors. Examples : "The rotorcraft landed in the park, its spinning blades creating a gust of wind. " 那架直升机降落在公园里,旋转的旋翼刮起了一阵风。 vehicle machine technology military 与AI对话词汇游戏阅读练习