单词	母樹
释义	母樹1. stool
随便看	vertical job loading vertical job-loading vertical journal vertical jump vertical junction field-effect transistor vertical junction solar cell vertical justification vertical keel vertical kier vertical knief cutting machine vertical ladder vertical landing vertical landing (htovl) vertical lathe vertical launch vertical launcher vertical layout of plant vertical lead vertical leg vertical (length) scale vertical lens vertical letter vertical letters vertical life table vertical life table; static life table