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 will get him to accept the offer.
我会使他接受建议。
May I speak to Mr. Johnson, please?
我想请约翰先生听电话好吗？
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。