有轨运输;乘坐火车
travels───n.旅途;旅行笔记;v.旅行(travel的第三人称单数形式)
rail───vt.铺铁轨;以横木围栏;n.铁轨;扶手;横杆;围栏;vi.抱怨;责骂
guide rail───[建]导轨;导杆
chair rail───n.钉在室内墙上使墙壁不被磨损的木条;[建]护墙板
light travels───光的传播(travels是travel的第三人称单数形式)
travels around───周游
rail travel───有轨运输;乘坐火车
commuter rail───通勤铁路
rail system───铁路系统;导轨系统
travels by rail, society benefits.───乘火车出行,令社会受益。
vehicle means a vehicle that travels on a roadway under its own power and that is not dependent on rail or electric power systems.───指在道路上不依轨道或电力架设,而以原动机行驶之车辆。
A spare latching end effector for the station's robotic arm, and a spare trailing umbilical system for the rail car that the arm travels on.───个备用的航天站机械臂插销锁定感应器和1个备用的胎盘式拖曳体系用于装载机械臂的轨道车移动。