Semidei塞米代伊semin.半挂车；半挂车货车；<非>半决赛pref.表示“一半的；部分的；不完全的”semi-concessional loan半优惠贷款semi on-line algorithm半在线算法semiarid open country.半干旱地区的空旷乡间semi-underground depot半地下仓库semi - extract tablets半浸膏片Semi-Variance function半方差函数Semi - insulating GaAs半绝缘GaAssemiconducting materials有机半导体材料semi-automatic welding半自动焊接semicolloidal dispersion半胶体分散体