这种蜡质属于乙醇有机溶剂的萃取物.The waxes are classed as alcohol or organic solvent extracted materials.这种萃取改变了整个毛纤维中所有细胞膜的网状结构.Such extraction modifies the whole cell - membrance network throughout the wool fiber.用各种稀的无机酸来萃取阴离子.A vari...
Harry loosened his grip momentarily and Anna wriggled free...哈里的手稍一放松，安娜便挣脱出来。Bauman wriggled into the damp coverall.鲍曼扭着身子穿上潮湿的工作服。A wizened little man wriggled through the line of soldiers standing guard.有个一身干瘪的小个子男人,拐...