Regression sum of squares
[化] 回归平方和
🧩 词语组成解析
regression
[ri'greʃən]
n. 衰退;（尤指因催眠或精神疾患，或为逃避目前忧虑）回到从前;回归;（统计学） 回归;
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 广场；方钢；直角尺；正方形（square的复数形式）
🗣️ 情景例句
I've decided to stay at home and be a full-time mother.
我决定留在家里做一个专职母亲。
So many countries, so many customs.
一个国家有一个国家的风俗。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，