Singleton set
[计] 单元素集
🧩 词语组成解析
n. 一个, 独生子, 独身
set
[sɛt]
vt. 放置，安置;使处于某种状况;设置;摆放餐具;
vi. 落山;出发;凝结;
n. 一套，一副;集合;布景;电视机;
adj. 固定的;位于…的;顽固的;安排好的;
🗣️ 情景例句
How many karats do you want?
你要几克拉的？
It isn't much.
这是微不足道的。
For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
他平生第一次自豪地拥有了一张既有弹簧又带床垫的床。