BBC在线收听下载:美国德州热气球坠毁事故致16人死亡

短语讲解：

1. It's thought the balloon struck powerlines before bursting into flames in a rural area about 30 miles south of the city of Austin.

burst into flames 突然起火; 突然燃烧起来; 突然着火
例句：The plane then flipped over and burst into flames
接着飞机突然翻转并燃起了大火。

2. The International Olympic Committee has announced that it's setting up a three-member panel that will have the final say on which Russians can take part in the Rio Olympics, which start on Friday.

set up 建立; 准备; 安排
例句：They set up many branches throughout the country.
他们在全国建立好多分公司。

3. This review panel will look at every single decision of every single athlete to make sure that the IOC is happy with the decision that's been taken, that they've made all of these different levels of steps and that the decision by the ICAS arbitrator is also putting that forward.
 
make sure 把事情弄清楚，核实或查明某事物
例句：Make sure this meat cooks for at least an hour.
烧这肉一定不能少于一小时。

4. The Olympic man's doubles tennis champions Mike and Bob Bryan have pulled out of the Rio Games, citing health concerns.

pull out of 退出，取消
例句：Sterling has been hit by the economy's failure to pull out of recession
经济未能走出衰退，英镑因此受到了打击。

5. Many athletes have withdrawn from the Games over concerns about the mosquito-borne Zika virus.

concern about 使（自己）关心…
例句：She showed great concern about you.
她很为你担心。

6. And Pope Francis has urged young people not to become lazy couch potatoes, and instead, engage in social activism and politics to create a more just world.

engage in 经营; 参加，从事，忙于
例句：I have no time to engage in the debate.
我没时间参加辩论。