Tracking system
[计] 跟踪系统
🧩 词语组成解析
tracking
['trækiŋ]
n. 跟踪;
v. 跟踪( track的现在分词 );跟踪摄影;留下（脏）足迹;追随（潮流等）;
🗣️ 情景例句
People don't ask questions about a person's salary.
人们不问一些关于收入的问题。
The timid child would not leave his mother's side.
那个胆小的孩子不愿离开母亲。
When I got to the theatre I found that they had sold all the tickets.
我到剧院时，发现所有的票都售完了。