BBC在线收听下载:世界首次基因疗法治愈一岁白血病女婴

短语讲解：

1. In a clear sign of the severe concern about the level of security checks on the ground in Egypt, the British government has insisted that nothing goes in the whole of the aircraft.
 
concern about 使（自己）关心…
例句：She showed great concern about you.
她很为你担心。

2. The British government believes the plane was probably brought down by a bomb.

bring down （价） 降
例句：Grocers have agreed to bring down the cost of several basic commodities.
杂货商们同意降低几种基本商品的成本。

3. Whatever you got a plane crash, first of all you got the tragedy, you got that making sure that there is an investigation on site.

make sure 把事情弄清楚，核实或查明某事物
例句：I make sure it would rain, but it didn't.
我确信要下雨的，可是没下。

4. Germany's governing coalition of Conservatives and Social Democrats have resolved their dispute over how to speed up the asylum process for migrants.

speed up （使） 加速; 开快车; 加紧
例句： We will be able to speed up that day.
我们要促使这一天的来临。

5. A local workers union says at least 15 people may have been killed, and dozens of others are missing.

at least 至少
例句：For that day at least he lost heart.
至少这一天他是垂头丧气的。

6. Most of these stripping by solar wind at Mars were thought to have taken place very early in the history of the solar system when the sun was like more active when the solar wind was more intense, so today the rate of loss at Mars is low.

take place 发生，举行
例句：Earthquakes take place far underground.
地震则发生在地球的极深处。