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
I took a month off for a holiday.
我休了一个月假。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
She said her future husband would not let her make another film.
她说她的未婚夫不会再让她拍电影。