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近年来,世界各地地震时有发生,我在电视上看到:地震后刚救出的伤员都会被医务人员用白布遮住双眼。请问为什么要这样做?四川杨永庆杨永庆读者:人们都有这样的体验:在电影院,电影正
In recent years, earthquakes all over the world have occurred from time to time. I saw on television that the wounded who were rescued just after the earthquake were covered by white cloth by medical staff. Why do you want to do? Yang Yongqing Yang Yongqing readers: People have such an experience: in the cinema, the film is