Contour tracing
[计] 轮廓跟踪
🧩 词语组成解析
contour
['kɔntuə]
n. 外形，轮廓;（地图上表示相同海拔各点的）等高线;概要;电路;
vt. 画轮廓（等高线）;
adj. 显示轮廓的;
n. 描摹, 描图, 追踪\\n[计] 跟踪
🗣️ 情景例句
What's wrong with him?
他怎么啦？
He is also very fond of playing tennis and manages to find time for a game twice a week.
他非常喜欢打网球，每周总要抽时间打两次。
There was a tine when the owners of shops and businesses in Chicago that to pay large sums of money to gangsters in return for 'protection.
曾经有一个时期，芝加哥的店主和商行的老板们不得不拿出大笔的钱给歹徒以换取保护。