Sample variance
[化] 样本方差
🧩 词语组成解析
sample
['sæmpl]
n. 样品，华样;标本，榜样;（化验的）取样;[信]信号瞬时值;
vt. 取…的样品，尤指用样品来检验;品尝;抽样调查;
adj. 作为代表或范例的;
s分开+ample拿，获得→分开拿出→标本,样品
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
Um, I was thinking of going to a movie tonight. Would you like to come?
我今晚想去看电影，你愿意一起去吗？
A cock is bold on his dunghill.
站在粪堆上，公鸡也称王。
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。