慢速英语:Missing US Hellfire Missile Turns Up in Cuba

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短语讲解：

1. U.S. officials are asking how a Hellfire missile used in a training mission in Europe has ended up in Cuba.

end up <非正>（以…）结束; 最终成为[变得]; 最后处于
例句：If we do, we will end up with nothing.
否则，我们到头来什么也得不到。

2. The official said the United States is working with the company to return the missile.

work with 与…在一起干; 从事…工作
例句：His secretaries work with system.
他的几位秘书工作有条不紊。