慢速英语:"White House Down" Tells Story of Washington Under Attack

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1. perform vt.执行；履行
例句：one should always perform what one promises.
一个人应该履行他的诺言。

2. contemporary adj.当代的，现代的
例句：There are many traditional and contemporary ornaments available.
有很多传统和现代的装饰。

3. decimate vt.大批杀害
例句：We're gonna decimate you.
我们要大举毁灭你们！

4. permit vt.许可，准许
例句：Mother won't permit me out of the house.
母亲不准许我到屋子外面。

5. promot vt.促进，推进
例句：We must promote stability and unity.
我们必须促进安定团结。

6. identity n.身份
例句：What's superman's secret identity?
超人的秘密身份是什么?