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
It was on his birthday, June second, two years ago.
是在他生日那天。两年前的六月二日。
Men are mortal.
人生自古谁无死。
They also hunted and killed wild animals.
他们还猎杀野兽。