in motion片語KK [ɪn ˋmoʃən] /ɪn ˈmoʊʃən/發音片語1在移動中、運動中Please stay seated while the train is in motion.列車行進時請坐在座位上。2在運轉中、在開動中Never open the cover while the machine is in motion.機器運轉時切勿打開蓋子。3已啟動、進行中The plan is already in motion and cannot be stopped.計劃已經啟動,無法中止。