a through passenger直达车旅客：There are many through passengers in the train，they have taken the train many days.列车中有许多直达旅客，他们已在车中乘坐好几天了。a through train 直达列车：This is a long-distance through train，it will run thousands of miles to get to its destination.这是一个长途直达列车，它将飞驰数千英里才到达终点站。 |