concealedadj.隐藏的;隐蔽的动词conceal的过去式和过去分词.
concealvt.隐藏;隐瞒;掩盖
concealing safe system隐蔽式安装系统
conceal one's feelingsn.伊姆哈斯利
concealment capability隐蔽性
concealed metal deposit隐伏金属矿床
concealed gold deposits隐伏金矿
Concealed investigation卧底侦查
conceal one's affection无线电频率委员会
concealed communication隐蔽通信
concealable information机密性情报
conceal the presence of掩盖 ... 的存在