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
I kissed the top of his dear little head.
我吻着他可爱的小头顶。
A young married couple moved in next door to us.
一对年轻结婚的夫妇搬到了我们的隔壁。
Well, thank you very much.
好吧，那就谢谢你啦？