【導(dǎo)讀】Whatisaninvention?ourancientChina?Applyingforapatent. Findingaproblem. Doingresearch. Testingthesolution. inyouryard…Howtocatchsnakes?about?catchingthesnakes?medicine.thesnakes.__________forit.ayounginventor?Let’sthink!Let’screate!Let’sinvent!