Idle-activity variance
[经] 闲置活动(作业)差异
🧩 词语组成解析
idle
['aɪdl]
adj. 无意义的;空闲的;懒惰的;无根据的;
vi. 虚度;空转;挂空挡;未熄火;
vt. 虚度;使空转;
n. （尤指暂时地）关闭工厂，使（工人）闲着;
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
In the meantime, what would you like?
对了， 你想要点什么？
A match will set fire to a large building.
星星之火，可以燎原。
recorded for the slumbering scientist the strength of a shock that was too weak to waken him,and the direction from which it came.
由于地震太弱而未惊醒科学家时，就为科学家记录下了地震的强度和地震方向。