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
I was a member of the debate team.
我是辩论队的成员。
Beard the lion in his den.
老虎头上捉虱；太岁头上动土。
You might try one of our cheaper components.
你试试这种较便宜的组件怎样？