单词	electric bike
释义	electric bike noun variants or e-bike ˈē-ˌbīk  or electric bicycle plural electric bikes or e-bikes or electric bicycles : a bicycle equipped with an electric motor that may be activated in order to assist with or replace pedaling Just like any bike, electric bikes come with a ton of different technical specs that you may or may not care about. Adrienne So For many years, e-bikes carried the stigma of being vehicles for lazy pedalers and seniors. The bikes draw power from a battery and motor to make pedaling significantly easier. You can also accelerate with the press of a button, transforming cycling from a strenuous exercise into a joy ride. Brian X. Chen Word History First Known Use 1881, in the meaning defined above
随便看	riflery rifles riflescope riflescopes rifleshot rifling riflings riflips rifs rift rift crack rift grain rift saw rift valley Rift Valley fever rift valleys rift-sawed rift-sawn rifted rifter rifting riftless rifts rig rig (out)

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