Active tracking system
[电] 活性跟踪系统
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
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
His collection of paintings is most impressive.
他的绘画收藏令人叹为观止。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
Yes, we have plenty on hand right now.
可以，我们目前有不少现货。