The engine of the train left the rails at a curve.

火车头在拐弯处脱轨。

《新英汉大辞典》

Ada waved her hand as the train left.

火车离开时艾达挥手告别。

youdao

No sooner had we arrived at the station than the train left.

我们一到车站，火车就离站了。

youdao

The train left at sunrise.

VOA: special.2009.06.25

I've left her here and then I'm going back on the train this afternoon,

我把她留在这儿，然后我就打算今天中午坐火车回去，

成功加入合唱团 - SpeakingMax英语口语达人

When the last soldier had been placed on a train, Barton finally left.

VOA: special.2009.07.26

When the train left Tokyo Station, Tengo took out the paperback that he had brought along.

NEWYORKER: Town of Cats

The accident happened at about 16:15 (14:15 GMT), around two hours after the train left the capital Warsaw.

BBC: Poland: Train passenger killed in derailment

Until recently, when you cancelled a ticket booked on Amtrak before the train left, the company would simply refund the money to your credit card.

ECONOMIST: Business travel