tracker
US /ˈtræk.ɚ/
UK /ˈtræk.ər/
名詞
1.
跟踪器
a person who tracks someone or something by following their trail.
2.
跟踪器
a connecting rod in the mechanism of some organs.
跟踪器
a person who tracks someone or something by following their trail.
跟踪器
a connecting rod in the mechanism of some organs.