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
Hello.
哈喽。
The doctor did not reveal to him his hopeless condition.
医生没有向他透露说他的病已经没治了。
We often call him by his nickname.
我们经常叫他的绰号。