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