travel inv.在 ... 旅行; 四出兜销
travelv.旅行;去某地;传播;快速移动;[体]走步n.旅行;移动
traveling plan consultation乘车咨询
travel from London to Tokyo从伦敦旅行至东京
travel at one's own expense浆膜下层
travelling wave coefficient行波系数
travelling wave accelerator行波加速器
travelling-wave megnetron行波磁控管
travelling-wave modulator行波调制器
travelling ticket inspector列车验票员