Unordered pair subset
[计] 无序对子集
🧩 词语组成解析
[计] 无序的
pair
[pɛə]
n. 一副;一对男女;套在一起的两匹马;雌雄成对的动物;
vt.& vi. （使…）成对，（使…）成双;
vi. 交配，交尾;
subset
['sʌbset]
n. 子集;
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
Fool, you added this bill up wrong!
笨蛋，你把账单加多了！
Excuse me. Are you a new student?
请问，你是新同学吗？