Tracking spacing
[电] 跟踪间距
🧩 词语组成解析
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）;
spacing
['speisiŋ]
n. 间隔，间距;跨距;疏密;留间隔;
🗣️ 情景例句
How much do stamps cost?
邮票多少钱？
To fall down
掉下
One moement let me show you out, sir. Good day, sir, good day.
先生，请稍等一会我送您出去。再见，先生，再见。