defenselessadj.无防备的
defensen.防卫;防卫物;辩护vt.防守
Defense Industry Council国防工业委员会
defense mechanism theory防御机制论
defense products revenue军需品生产收入
defense against takeover[经] 抵制吞并
defense switched network国防转换网
defense against the cold防寒
Defense Alert Evaluation防御警戒评定
Defense Security Service国防保密勤务
Defense and Space Center国防与航天中心
defense of women's right播种期