Retrospective tracing facility
[计] 追溯跟踪设施
🧩 词语组成解析
n. 描摹, 描图, 追踪\\n[计] 跟踪
🗣️ 情景例句
or a taxi.
或者坐计程车。
I know the boy whose father is a policeman.
我知道那个男孩的父亲是警察。
It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside.
想到在宁静的乡村里有一头危险的野兽继续逍遥流窜，真令人担心。