Physical variance
[经] 效率差异, 实际差异
🧩 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
We're organizing an informal party, and I'd like you to come.
我们计划组织一个非正式聚会，我想请你参加。
How can I get in touch with you?
我怎样能跟你联络上？
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。