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
you have a meeting with the production staff
要与生产部门人员开会，
Eat to please thyself, but dress to please others.
吃是使自己受用，穿是使别人受用。
It was obvious that he was very embarrassed.
显然他感到很尴尬。