noun 下载 🔗分享 下降器,缓降器。 A piece of metal around which a rope is passed in order to slow descent when abseiling Examples : "The climber carefully threaded the rope through his descendeur before stepping over the cliff edge. " 攀岩者小心地将绳子穿过他的下降器,然后才跨过悬崖边缘。 sport technical device 与AI对话词汇游戏阅读练习