1. 值勤在线翻译
1. the line of duty：the line of beauty 美的线条 | the line of duty 值勤 | the line of sight 视线
2. 值勤的意思
2. on duty：on fire 着火 | on duty 值勤 | on guard 站岗
3. 值勤的反义词
3. active in service：active homing radar 主动寻的雷达 | active in service 值勤 | active inert missile 主动惯性制导导弹