first officer
短语词组
- first engineer officer 大管轮
- first attending officer 首名到场人员
- acting first fire officer 代理一等救火员
- First Warrant Officer 一级准尉
- First Medical Officer 第一医官
- first aid officer nurse 救员
- first fire officer 一等救火员
- First Aid Officer 现场协调员 返回 first officer