英音听力讲解:洛杉矶多所学校因炸弹威胁关闭

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短语讲解：

1. The agreement focuses on reparations for victims of themore than 50-year long Colombian internal conflict

focus on 致力于; 使聚焦于
例句：Wang Ping, you give an introduction. I have to focus on driving.
王平，你来介绍一下，我得注意开车了。

2. The authorities in Los Angeles have defended their decisionto close all public schools for the day because of a suspected security threat.

because of 因为，由于
例句：Because of a squall the chase has to be called off.
由于风势太大，追捕只好作罢。

3. The authority said theywould search every school in the district to make sure they were safe forpupils to return.

make sure 把事情弄清楚，核实或查明某事物
例句：Make sure the passengers are strapped in(to their seats) before driving off.
开车前请乘客务必系好安全带。

4. Controversial statement he has made onthe campaign trial about Mexicans and Muslims are expected to provoke intensediscussion.

be expected to 被期待做某事; 有望做某事; 期许
例句：I shall be expected to shell out the money for the party.
我将要支付这个集会的费用。