ifavoriteinvention我最喜欢的发明Therearemanyinventionsintheworld,butmyfavoriteinventionisthecomputer。Whatismyfavoriteinvention?Weknewtherehadbeenmanyinventionsatthelastcentury,forexample,electriclightbulb,telephone。

TheelectriclightbulbwasinventedbyHenryGoebbels。ItisgenerallybelievedthatEdisoninventedtheelectriclightbulb,butitisnot。Therearemanyinventionsintheworld,butmyfavoriteinventionisthecomputer。

TheabacuswasinventedinthesixthcenturybyChinesepeople。Theumbrellawasinventedabout4000yearsagoinAssyria,ChinaandEgypt。Goodmorning,everyone!TodayImgoingtotalkaboutinventions。

Peopleusuallyplaykitesintheday。时间机器Iwillinventatimemachineintheasitsbeenmydreaminmylife。AdvantagesandDisadvatagesofMobilephonesAseverybodys,mobilesareplayingaimportantpartinourdailylifenowadays。

Asweallknow,TheCompass,Gunpowder,Papermaking,andPrintingareourChinesegreatinventions。themostimportantinventiontomeTherearemanyremarkableinventionsintheworldsuchascomputers,televisions,radios。