[ láihuí ] 1.(往复一次) make a round trip; make a return journey; go to a place and come back 短语和例子 打来回儿 make a round trip; 从我家到学校来回要走半小时。 it takes half an hour to go on foot from my home to my school and back.2.(往复多次) back and forth; to and fro 短语和例子 来回摇摆 oscillate; vacillate; 他在游泳池里游了五个来回。 he swam back and forth five times up and down the swimming pool.3.(周期; 循环) cycle; 来回飞行 round-trip flight; 来回票 return ticket; round-trip ticket