Pooled variance
[化] 合并方差
🧩 词语组成解析
a. 合并的
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
I enjoyed myself very much.
我玩得很开心尽兴。
His heart cannot be pure whose tongue is not clear.
嘴不净者心不纯。
However, Susan has not really made up her mind yet.
然而，苏珊却还没有决定。