- 密
- close
- 密
- dense
- 密
- thick
- 阴云密布。
- The sky is covered by thick dark clouds.
- 密友
- close [or bosom, intimate] friend
- 密
- fine
- 密
- precise
- 密
- meticulous
- 密
- secret
- 密谈
- have a private talk
- 密密麻麻
- extremely crowded
- 密密麻麻
- thickly dotted
- 保密
- keep confidential
- 保密
- security
- 保密条例
- security regulations
- 保密文件
- classified [or confidential] document
- 稠密
- dense
- 稠密
- thick
- 人烟稠密
- be thickly populated
- 人烟稠密
- be populous
- 告密
- inform against [or on]
- 告密者
- informer
- 告密者
- whistle-blower
- 机密
- confidential
- 机密
- secret
- 机密
- classified
- 机密文件
- confidential document
- 机密文件
- classified papers
- 机密
- secret
- 国家机密
- state secret
- 紧密
- closely
- 紧密
- firmly
- 紧密
- intimately
- 紧密联系
- be closely connected
- 紧密
- thick and fast
- 紧密
- intensive
- 紧密
- concentrated
- 枪声紧密
- concentrated firing
- 精密
- precise
- 精密
- accurate
- 精密
- precision
- 精密度
- precision
- 精密仪器
- precision instrument
- 绝密
- top-secret
- 绝密
- strictly confidential
- 茂密
- dense and thick
- 密度
- density
- 密度
- thickness
- 人口密度
- population density
- 大气密度
- atmospheric density
- 密封
- seal up
- 密封
- seal airtight
- 密封舱
- airtight cabin
- 密封舱
- space capsule
- 密集
- dense
- 密集
- concentrated
- 密集
- crowded
- 人口密集
- densely populated
- 密件
- confidential letter or document
- 密码
- cipher
- 密码
- secret code
- 密码电报
- cipher telegram
- 密谋
- conspire
- 密谋
- intrigue
- 密谋
- plot
- 密切
- close
- 密切
- intimate
- 与…密切配合
- work in good cooperation with
- 与…密切配合
- act in close collaboration with
- 密切
- make close
- 密切
- become intimate
- 密切
- carefully
- 密切
- closely
- 密切
- keenly
- 密切注意
- give heed to
- 密切注意
- watch closely
- 密室
- secluded [or secret] room
- 密探
- spy
- 密探
- secret agent
- 秘密
- secret
- 秘密
- confidential
- 秘密活动
- secret activities
- 秘密条约
- secret treaty
- 秘密
- secret
- 军事秘密
- military secret