1)pro and con,正面和反面2)the right side,正面3)front,正面4)front surface,正面5)face,正面6)main face,正面7)frontage,正面8)obverse,正面9)front elevation,正面10)R.S.=right side,正面
用法例句
By means of CO 2 laser induced liquid deposition technique,the local deposition of metal copper lines on the right sides of epoxy resin has been achieved from the aqueous solution for the first time.
