in motion片语KK [ɪn ˋmoʃən] /ɪn ˈmoʊʃən/发音片语1在移动中、运动中Please stay seated while the train is in motion.列车行进时请坐在座位上。2在运转中、在开动中Never open the cover while the machine is in motion.机器运转时切勿打开盖子。3已启动、进行中The plan is already in motion and cannot be stopped.计划已经启动,无法中止。用这个字练口说→