Semiani塞米亚尼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”semilunar membrane半月膜(动)Semi-arid-land西北半干旱地区semiskilled worker半熟练工人,半技能工人semisoft cheese.半软的干酪semidiffusion cell半扩散池semifinished metal半成品材(金属)semi circular path半周轨道semiarid grassland半干旱草原semigroup property半群性semi-blocked TDI半封端型TDI