英音听力讲解:国际空间站宇航员头盔漏水 提前终止太空行走

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短语讲解：

1. That’s an average of 6,000 people a day what UN officials describe as the most frightening rates since the Rwandan genocide almost 20 years ago.

describe as 描述为
例句：People describe him as really clever.
人们说他是真正的聪明。

2. We have started to unload their vessel on Sunday around 250,000 bags of sugar which is a lot of sugar to unload and the crew members disconnect it and then destroy the mechanic cranes through their own board.

a lot of 许多的；诸多
例句：I subscribed to a lot of periodicals last year.
去年我订了诸多期刊。

3. Hi, Chris and Luca just for you guys based on we heard with Luca saying there’s water in his eyes.

base on 使建立在…基础上
例句："Base on Yunfu, orient to the world and aim at the future." 
立足云浮,面向世界,走向未来。 

4. So Luca, we’ll have you head back to the airlock, Chris, we’ll get a plan for you to clean things up and then join him here in a minute.”

clean up 打扫
例句：The pupils took turns to clean up their classroom.
学生们轮流打扫教室。