来回

1. make a round trip; make a return journey; go to a place and come back

♦ ~有多远？ How far is it there and back?

2. a round trip

♦ 一天打两个~ make two round trips in one day

3. back and forth; to and fro

♦ 在房间里~走动 pace up and down the room

♦ ~摇摆 oscillate; vacillate

~飞行 round-trip flight