英语自行车的发明作文时间：1861发明人：法国人PierreandErnestMichaux,他们是父子.作用：更快.1.介绍第一辆自行车的发明者,自行车的好处等2.发挥你的想象介绍你打算发明的一样东西及其作
英语自行车的发明作文
时间：1861
发明人：法国人PierreandErnestMichaux,他们是父子.
作用：更快.
1.介绍第一辆自行车的发明者,自行车的好处等
2.发挥你的想象介绍你打算发明的一样东西及其作用.
60词左右.
【TheInventionoftheBicycle】
AFrenchfather-and-sonteamofcarriage-makers,PierreandErnestMichaux,inventedanimprovedbicycleinthe1860's.Manyearlybicycles(calledvelocipedes,meaning"fastfoot,"or,moredescriptively,"boneshakers")hadhugefrontwheels——itwasthoughtthatthebiggerthewheel,thefasteryoucouldgo.Earlytireswerewooden——metaltireswereanimprovement,andsolidrubbertireswereaddedlater.Achainwithsprocketswasaddedtothebicycleinthe1880's;thiswascalledthe"safetybicycle."Air-filledtireswerealsoaddedinthe1880's.Thederailleurgearsystemwasaddedinthe1970's.
Nowadays,it'simportantforustolivethelow-carbonlife.Soridingbicycleisthebestchoiceforustogoaround.It'snotonlybenefitforourhealthandalsocheaperthancarsandtheoilisnotnecessaryforbicycles.Thebetterthingis,itwassofriendlytoenvironmentthatitwon'tproduceanypolution.Solet'sgoforaride!
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五星级回答,一定要采纳哦,不要辜负我的辛苦劳动!
【来自英语牛人团】