first aid急救firstadj.第一的；最初的adv.首先；第一n.最初；(序数词)第一first form cui'vilinear integralfirst - year service education入职教育first arrival refraction statics初至折射静校正first dorsal interosseous assist(手)痛侧第一骨间辅助器first order phase transformation一级相变first grade primary school pupil小学一年级学生first thoracic veterbral process杼骨First Markham Place Dental Centre万锦牙医中心First Legit Phoenix Mount Dropped凤凰坐骑首次掉落First Garden City Heritage Museum

1. For the file maintenance,finding detail records from a master record.
   在文件维护中，从主记录找到细目记录。
2. This is the first time China has given an ethnic breakdown in the riots.
   这是中国第一次给出暴乱中的民族细目分类名单。