Sum rule
[计] 求和规则
🧩 词语组成解析
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
rule
[ru:l]
n. 规则，规定;统治，支配;章程;
vt.& vi. 控制，支配;判定;裁定，裁决;价格稳定;
vt. 统治;规定;管理;裁决;
vi. 统治;管辖;裁定;
🗣️ 情景例句
And she's shy with new people, just like he is.
她见了生人就害羞 ，与他一样。
We must work out some plan to increase our sales.
我们必须制定一些计划来提高销售成绩。
but they did not go out of their way to court such excitement.
但是，他们并非故意寻求这种刺激，