Activity variance

[经] 活动差异

🧩 词语组成解析

activity [æk'tɪviti]
n. 活动;活跃,敏捷;活动力;教育活动;
act行动,做+ivity状态→活动
variance ['vɛəriəns]
n. 变化,变动;不一致;分歧;<数>方差;

🗣️ 情景例句

you are about to become Susan Bennett--
即将成为Susan Bennett
His visit was well timed.
他的访问正合时宜。
The response to this competition was tremendous.
这次竞赛在听众中引起极其热烈的反响。
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