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
Kids today have too much freedom, it's not like the old days.
现在的小孩太自由了，不像以前。
Do you like traveling?
你喜欢旅游吗？
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。