往返 [wǎng fǎn]

• • （来回） go there and back; come and go; arrive and depart:

    It takes four hours to go there and back.

    往返要4个小时。

  • （反复） journey to and fro:

    travel to and fro between Beijing and Tianjin;

    往返于京津之间

    ceaselessly come and go

    往返奔波

• 短语:
  • 往返法 back-and-forth method;
  • 往返飞行轨道 {航天} round-trip trajectory;
  • 往返航程 round voyage;
  • 往返航程租船合同 round charter;
  • 往返贸易 countertrade;
  • 往返时间 round-trip time;
  • 往返吸注（脊髓）麻醉法 barbotage;
  • 往返行程计数器 lift counter;
  • 往返运费 freight out and home