- back and forth
- 来回: make a round trip; make a re ...
- 往复: move back and forth; recipro ...
- 来回地，往复地: to and fro adverb
- 往复的，来回的，互相的，交替的: reciprocating
- 来回: 1.(往复一次) make a round trip; make a return journey; go to a place and come back 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 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
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