名词 externality:

1. the quality or state of being outside or directed toward or relating to the outside or exterior

externalizevt.使外在化； 把 ... 归于外因externaladj.外来的；外部的；外面的；表面的n.外观；外部；外界事物external oral cavity口腔前庭external pyocephalus脑室外积脓external transceiver外部无线电收发两用机external public debt[经] 国外公债external environmemt外环境external sacral seta骶外毛external development体外发育external interheater外中间加热器external minor alarm外电路辅助告警external entry point外部入口点