Slave tracking
[电] 副跟纵
🧩 词语组成解析
slave
[slev]
n. 奴隶;完全受控制的人;从动装置;
v. 苦干;辛勤地工作;
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
You're welcome. Good-bye.
不用谢。再见。
Two ears to one tongue, therefore hear twice as much as you speak.
两只耳朵对一舌，故应多听而少说。
Yes, I am.
是的，我12岁。