specialize

• The modern nuclear family is a more specialized unit than its predecessor .
  这种现代化的核心家庭是较之前身更特殊的单位。
• His contemporaries had begun to confine themselves to specialized investigations .
  他同时代的人已开始局限于专门问题研究。
• There appeared a variety of specialized operations like sawmills and grist mills .
  出现了各种专业的作坊，如锯木场、磨坊等。
• In higher animals, contraction became the specialized function of muscle cells .
  到了较高等的动物，收缩作用成为肌细胞的特有功能。
• The heads of departments and agencies have specialized spheres of interest and responsibility .
  各部会首长都有其专门的职掌和责任。
• A " dealer " sells especially individual objects and has a specialized knowledge of these .
  “经销商”出售非常具体的物品，并有其专业知识。
• I have decided to specialize in plant chemicals that can be used for insecticides .
  我已经下决心专门研究可以用作杀虫剂的植物中的化学物质。
• Two specialized epidermal cells and a bipolar neuron are associated with each sensillum .
  一个感器联结着两个特化的真皮细胞和一个双极神经元。
• Theorists specializing in stellar interiors were turning to more challenging problems .
  专攻恒星内部的理论家们都想改行去搞更能引起争议的问题。