trimming rafter千斤: hoisting jack; jack; screw b ...缘: reason饰缘: purfling整饰: bring-in; finishing; finshing; ornament千斤: 千斤1.(重量) a thousand jin2.(责任重) very heavy; weighty 千斤重担 an exceptionally heavy load or responsibility下载手机词典可随时随地查词查翻译