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've always liked camping out.
我一直喜欢露营。
I'm sorry, but it's just not possible.
抱歉，实在是爱莫能助。
Eventually the turtle has been butted all the way down to the floor of the tank.
这只海龟最终被撞到池底。