代号 dàihào code name
怎么记住“代号”: 代 era + 号 date = code name.
汉字
用法
- A code name - a stand-in label for a project, person, or operation - 这个项目的代号是‘蓝天’(zhège xiàngmù de dàihào shì 'lántiān') the project's code name is 'Blue Sky'.
- Used in military, tech, and intelligence contexts for secrecy or shorthand.
- Distinct from 代码 (dàimǎ, computer code / numeric code); 代号 is a name that substitutes for the real identity.