Tracking velocity
[计] 跟踪速度
🧩 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
A little scared.
有点害怕。
I hope this gathering will keep harmony till the end. Thank you.
我祝愿这个聚会从头到尾充满和谐。谢谢大家。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。