英音听力讲解:联合国难民峰会召开

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1. operation n.手术; 操作，经营
例句：The rescue operation began on Friday afternoon
救援行动于星期五下午开始。

2. announce vt.宣布; 述说; 声称
例句：He will announce tonight that he is resigning from office
他将于今晚宣布辞职。

3. demonstrator n.游行示威者; 证明者
例句：I saw the police using tear gas to try and break up a crowd of demonstrators.
我看见警察正试图用催泪弹驱散一群示威者。

4. immigration n.移居; 移民人数; 移民局检查站
例句：The government has decided to tighten its immigration policy.
政府决定实施更加严格的移民政策。

5. strike vt.攻击; 罢（工、课等）
例句：Wilde fell and struck his head on the stone floor
怀尔德摔倒了，头撞在石头地上。