extendern.增量剂；扩充器；延长器extendv.延伸；延长；伸展；扩展；提供；使竭尽全力extend attributes扩展属性extended abstract详细文摘extending forming扩展成形extended coverage增加保险范围extend the runway伸长飞机场跑道extended port FSM扩展端口FSMextende day school延长日制学校extend development拓展extended resection扩大切除术extend information扩展信息,扩充信息