VOA慢速英语:Satellite Will Watch Sun Storms, Send Warnings to Earth

短语讲解：

1. This is a time when extreme weather on the sun can have the greatest effect on planet Earth.

effect on 对…有影响
例句：It had corrective effect on my vanity. 
它对我的虚荣心起了缓解效果。 

2. But we are not fully protected from what scientists call Coronal Mass Ejections.

protect from 保护，保卫
例句：Wild wood should be well protect from excessive hag. 
野生森林应该被保护以免过量砍伐。 

3. But Mr. Berger says a new system may be able to give more-targeted warnings.

be able to 能够
例句：I may be able to help you in some way. 
我也许可以从某个方面去帮助你。 

4. He says future models will be able to tell exactly what part of the world will be more at risk from a solar storm.

at risk 有危险
例句：He saved three children alive at risk of his life. 
他拼命救出了三个孩子。