Tracking servo
[計] 跟蹤伺服系統
?? 詞語組成解析
tracking
['tr?ki?]
n. 跟蹤;
v. 跟蹤( track的現在分詞 );跟蹤攝影;留下（臟）足跡;追隨（潮流等）;
servo
[['s?:v?u]]
n. 伺服, 伺服系統\\n[計] 伺服裝置
??? 情景例句
OK, let me get my wallet and we'll take off.
好，讓我拿一下錢包，我們就走。
I guess I've outgrown this pair of trousers.
我想這條褲子對我來說小了。
One day a week he would spend the whole day in silence.
每周有一天他是在沉默無語中度過的。