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1.A Russian reconnaissance plane has been downed by Syrian forces responding to an Israeli airstrike, killing all 15 people on board.
reconnaissance侦查
The helicopter was returning from a reconnaissance mission.
那架直升机执行完一项侦察任务正在返回。
2.And researchers at the University of Washington are using virtual reality to treat people's phobias.
phobia恐惧症
What are the signs and symptoms of social phobia?
社交恐惧症的迹象和症状是什么？
