to and fro
短语词组
- to o and fro 来来往往
- to and fro adverb 来回地;往复地;往返地
- flit to and fro 飞来飞去
- run to and fro 朝东跑朝西跑;到处奔跑;东奔西走
- pace to and fro 来回踱步;踱来踱去
- reel to and fro 前后摇晃
- to and fro current 往复流
- to and fro murmur 往返性杂音;来回性杂音
- to and fro sound 来回音 返回 to and fro