Additivity of sum of squares
[化] 平方和加和性
🧩 词语组成解析
[化] 相加性; 加成性; 叠加性
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];
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
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
There is honour among thieves.
盗亦有道。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.
坐办公室的之所以常常被称作“白领工人”，就是因为他们通常是穿着硬领白衬衫，系着领带去上班。