中国四大发明英文介绍

Helloeveryone.TodayI’mgoingtotalkabouttheFourGreatInventionsoftheAncientChina.DoyouknowtheirnameinEnglish?Ifyoudon’t,letmeintroducetoyou.PapermakingtechnologyDuringtheEasternHanDynasty,CaiLunsummeduptheexperienceofforefathers,begantoimprovepapermakingtechnology.Heusedalotofsimplethingsandproducedthe‘CaiHou’paper.Thiskindofpaperisthinandcanwriteeasily.HemadeenormouscontributionforChina.Itwasproducedtoothercountriesafterabout500years.TypographyTypographyisakindofprinting.Beforeprintingwasinvented,peoplehadtorecordinformationbywritingorotherways.Butitalwaystookalotoftime.ThenBiShenginventedtypographyandimprovedtheprintingtechnology.Itbegantotakelesstimeandbecomeeasytorecordinformation.It’sagreatachievementinthehistory.CompassItwasinventedintheWarringStates.Afterpeoplefoundthatamagnetcouldgivedirections,thecompasswasinvented.Itwasamagnetmadeintoashapeofspoon.Whenitstops,thespooncanpointtothesouth.Then,itwasproducedtoEuropeinthe13thcentury.Noteverywherehasalighthouse,soacompassisveryusefulforsailing.Evenatanewplacepeoplewillnotlosetheirwaywithacompass.GunpowderGunpowderisalsocalledblackpowder.ItwasinventedinTangDynasty,about9thcentury.ItbegantobeusedinmilitaryaffairsandmadegreatcontributionforChina.Guns,aircraftscouldbeinventedafterwards.Papermakingtechnology,typography,compassandgunpowderareFourGreatInventionsoftheAncientChina.Theyhavemadegreatcontributionsforpeopleallovertheworld.AsaChineseperson,weshouldrememberandbeproudofthem.That’sallformyduty.Thankyouforlistening.1.sumsumup总结2.forefather['fɔ:,fɑ:ðə]前人3.beproducedto传入4.typography[tai'pɔgrəfi]活字印刷术5.compass['kʌmpəs]指南针6.theWarringStates战国7.magnet['mægnit]磁铁,磁石8.Gunpowder['gʌn,paudə]火药9.militaryaffairs军事