Emptiness problem
[计] 空集问题
🧩 词语组成解析
emptiness
['emptinis]
n. 空虚;空腹;无知;无能;
🗣️ 情景例句
What's that?
什么意思？
The more a man knows, the more he see his ignorance.
大智若愚。
This is a bus stop. The people are waiting for a bus. They are stand in line.
这是一个公共汽车站。人们在等车。他们站成行。