His death set in motion a train of events that led to the outbreak of war.

他的死引发了一系列的事件，从而导致了战争的爆发。

《牛津词典》

A train of mules trailed behind them, carrying chests, casks, barrels, and hampers of delectables to keep the lord of cheese from growing peckish.

一队骡子跟在他们后面，驮着箱子、木桶、酒桶和盛着美味食品的篮子，以防止奶酪大王变得饥肠辘辘。

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A train of supplies from Latvia snaked through Russia to reach Kazakhstan.

从拉脱维亚出发的一列车补给品穿过俄罗斯，抵达哈萨克斯坦。

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As the train crossed a river I took out of my pocket the object that had dropped from Caswell's dead hand.

VOA: special.2010.06.12

But suppose you are in a train and you're moving past me and you look at this piece of chalk.

但假如你在火车上,从我面前驶过,你看着这支粉笔

耶鲁公开课 - 基础物理课程节选

And at the end of our walk, when I pointed to a locomotive and I said look at that train.

走到后来，当我指着火车头,我说，看那辆火车。

耶鲁公开课 - 死亡课程节选

You are up against a mob of individuals heading to their seats, pulling suitcases like a train of elephants.

FORBES: Avoiding Passenger Congestion

Fortunately, this naive view is wrong, as a train of events that started almost half a century ago showed.

ECONOMIST: Particle physics

Without realizing it, he says, humans set into motion a train of events we didn't realize we were in no position to control.

CNN: Gaia straits: Planetary doctor says condition terminal