一向活泼好动的雪儿这几天却变得文静起来,常见她托着腮独自沉思。大家觉得很奇怪:雪儿这是怎么啦?上个月,雪儿的父亲兴冲冲地跑回家,从包里拿出一些电线、电闸之类的东西,像拿到宝贝似的轻轻放进盒子里。雪儿好纳闷:父亲是搞科研的,要这些 Xue, who has always been active and active, has become quiet these days. She often thinks about her alone. Everyone thought it was strange: What’s wrong with Cher? Last month, Cher’s father rushed home and rushed out. He took out some wires, switches, and the like from the bag and put it gently like a baby. Into the box. Cher wonders: The father is engaged in scientific research, to these