rotationKK [roˋteʃən] /ɹoʊˈteɪʃən/发音名词1旋转、转动The rotation of the Earth causes day and night.地球的自转造成了白天与黑夜。2一圈、转数The blade completes twenty rotations per second.这个叶片每秒转二十圈。3轮流、轮值、轮班The nurses work night shifts on a weekly rotation.护理人员以每周轮班的方式值夜班。4轮作、轮种农业Crop rotation helps keep the soil healthy and fertile.作物轮作有助于维持土壤的健康与肥沃。5轮替、轮换体育The coach kept three young players in the rotation.教练让三名年轻球员留在轮替名单中。6轮播媒体Their new single is in heavy rotation on local radio.他们的新单曲正在地方电台密集轮播。用这个字练口说→