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
I really appreciate it, Marilyn.
真的很感谢 Marilyn。
If you hadn't slipped and fallen,you wouldn't have broken your leg.
如果你没滑倒,你就不会断腿了。
of becoming more likely to die the older we get, was something self-evident,
人随着年龄的增长而接近死亡，这是不言而喻的，