Population variance
[化] 总体方差
🧩 词语组成解析
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
Hi, Alexandra.
嗨， Alexandra。
A good healthy body is worth more a crown in gold.
健康的身体贵于黄金铸成的皇冠。
Even this was remarkable, considering that she had had so many delays.
但考虑到路上的多次耽搁，这个成绩也已很不容易了。