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“尊老爱幼,助残扶弱”是我们中华民族的传统美德。辽宁省实验中学学生冯泓睿为此交出了一份很好的答卷。他发明的“气动
”Respect for old age, helping the weak“ is the traditional virtue of our Chinese nation. Liaoning Province Experimental Middle School student Feng Hongrui to hand over a good answer. He invented ”Pneumatic