Point covering number
[计] 点覆盖数
🧩 词语组成解析
covering
['kʌvəriŋ]
n. 掩蔽物，遮盖物;
v. 覆盖( cover的现在分词);
🗣️ 情景例句
Grandpa, when did Dad graduate from Michigan?
爷爷，爸爸是什么时候从Michigan毕业的？
No, thank you.
不，谢谢您。
Some of my acquaintances in the country come up to town once or twice a year to visit the theatre as a special treat.
我在乡村有一些熟人，他们每年进城来看一回或几回戏，并把此看作一种特殊的享受。