When these folks want to return, they simply wave a white flag and the conductor stops the train for them.
当村民们想要搭乘火车时只要挥动一面白旗，售票员就会让火车停下来。
2
And then, when all of us were safely on board, there was a blast of martial-style music as the guards on the platform gave a final cheer and a wave and the train slowly pulled away.
然后，当所有乘客安全上了车，军乐般的音乐奏起，站台上的卫兵向列车最后挥手致意，火车慢慢开动了。
3
In field practice, a subsurface is mapped by arranging a series of wave-train sources, such as small dynamite explosions, in a grid pattern…