Track follower
[计] 磁道跟踪器
🧩 词语组成解析
track
[træk]
n. 小路，小道;痕迹，踪迹;轨道，音轨;方针，路线;
vt. 跟踪;监看，监测;追踪;
vi. 沿着轨道前进;沿着一条路走，旅行;位于一队列中;
track(draw)→足迹；轨道；线路；追踪
🗣️ 情景例句
Grandpa, can you come?
爷爷， 你能去吗？
The houses downtown are very expensive.
市区的房子很贵。
It is now being sent to his home by train.
现在正用火车给他运回家来。