慢速英语:Islamic State Executes 20 in Palmyra Roman Theater

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短语讲解：

1. The militant group captured Palmyra on May 21. It has executed more than 200 people in the city.

more than 多于
例句：Rob likes apples more than bananas. 
罗勃对苹果比对香蕉还喜欢。 

2. Many workers and homeless people could not get inside soon enough to escape the heat.

enough to 足以
例句：He was old enough to get a driver's license. 
他年龄够大了，能获得驾驶证了。