[ti:UNIT 5 Go With Transportation Lesson 34: Trains Go on Rails!] [0:00.580]UNIT 5 第五单元 [0:02.491]Go with Transportation! 乘交通工具去! [0:05.156]Lesson 34: 第34课: [0:07.415]Trains Go on Rails! 火车在铁轨上行驶! [0:10.3...