Central moment
[计] 中心矩
🧩 词语组成解析
🗣️ 情景例句
I've really got nothing to complain of.
我确实没什么好抱怨的。
That which was bitter to endure may be sweet to remember.
苦楚往日难忍受，记起也许甜心头。
The old lady enjoys a quiet life with her family.
老太太和她的家人安享宁静的生活。