1) This train goes straight through, ie without stopping.
这是直通车.
2) Is it a direct train?
这是否直通车呢？
3) Is this the nonstop bus?
这是直达车吗？
4) This train is direct; you do not have to change.
这班火车是直达的;你不必换车。
5) Is this an express train?
这是快车吗?
6) It is a passenger train.
这是辆客车。
参考词条