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只要齿轮与轴承在童来宝面前转动,他就能在心里想象出它们工作的样子,琢磨出工作原理,并手工复制出一台同样的机器。
As long as the gears and bearings are turning in front of Tong Bao Bao, he can imagine in his heart the way they are working, figuring out the working principle and copying the same machine by hand.