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
Small world. I'm from Titusville, too.
世界真小。我也是从Titusville来的。
Hunger finds no fault with the cookery.
饥不择食。
while others rub their hands over his skin to the accompaniment of a monotonous and soothing chant.
其他人唱着单调的歌声用手抚摸象的皮肤。