美语听力练习素材:联盟号带三名宇航员返回地球

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1.Senators say the move will undermine US allies and give Islamic State insurgents a chance to regroup.

insurgent叛乱者

By early yesterday, the insurgents had taken control of the country's main military air base.
到昨天早些时候，那些起义者已控制了该国的主要空军基地。 

2. The woman needed a State Department waiver due to the Trump administration's travel ban.

waiver豁免

The college got a special waiver from the town to exceed the building height limit.
这所大学得到镇上的特别豁免，可以超过建筑物的高度限制。