Retrospective survey
[医] 追溯调查
🧩 词语组成解析
survey
['sɝve]
vi. 测量土地;
vt. 调查;勘测;俯瞰;
n. 调查（表），调查所，测量，测量部，测量图;概观，检查，鉴定书;环顾;
sur在上面 + vey=look看→ vt.俯瞰；检查；测量
🗣️ 情景例句
Come over to my place at you convenience.
方便时请来我处。
Thank you very much.
非常感谢。
The fact that the policeman was prejudiced against foreigners could not be recorded in the official files.
警察歧视外国人的事在官方档案中不可能加以记载，