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
Maybe I'll run against him.
也许我与他竞选。
Time past cannot be called back again.
光阴一去不复返。
The bag fell on the floor and broke open.
糖落在地板上，袋子裂开了。