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
And it needs your contributions of furniture,
而且也需要你捐献家具，
Pigs may fly,but they are very unlikely birds.
猪儿纵会飞，终究不是鸟。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。