Covering problem
[计] 覆盖问题
🧩 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
He treats everyone with courtesy.
他对待每一个人都很有礼貌。
I did Math this morning.
我今天早上做算术。
I have my hair cut every month.
我每个月都理发。