英汉词典

1. 火车;列车
    A train is a number of carriages, cars, or trucks which are all connected together and which are pulled by an engine along a railway. Trains carry people and goods from one place to another.

    e.g. The train pulled into a station...
           列车驶入了一个车站。
    e.g. We can catch the early morning train...
           我们能赶上凌晨的火车。

2. (缓慢行进中的)行列，队列
    A train of vehicles, people, or animals is a long line of them travelling slowly in the same direction.

    e.g. In the old days this used to be done with a baggage train of camels.
           在过去，这往往由一队驮载行李的骆驼完成。
    e.g. ...a long train of oil tankers.
           一长队油轮

3. (想法、事件等的)(一)连串，(一)系列
    A train of thought or a train of events is a connected sequence, in which each thought or event seems to occur naturally or logically as a result of the previous one.

    e.g. He lost his train of thought for a moment, then recovered it...
           他一时思维短路，然后又重新想了起来。
    e.g. Giles set in motion a train of events which would culminate in tragedy.
           贾尔斯触发了随后的一系列事件，这些事件最终将以悲剧收场。

4. 裙裾;拖裾
    The train of a woman's formal dress or wedding dress is the long part at the back of it which flows along the floor behind her.

5. 在进行中
    If a process or event is in train or has been set in train, it is happening or starting to happen.

train

    e.g. In a moment the ceremony was in train…
           仪式马上就要开始了。
    e.g. He praised the economic reforms set in train by the government.
           他称赞政府启动的经济改革。