Boolean matrix sum - [计] 布尔矩阵和，怎么读怎么用

🧩 词语组成解析

Boolean [['bu:liən]]

[计] 布尔的, 逻辑的, 布尔型

matrix ['metrɪks]

n. <数>矩阵;模型;基质;母体，子宫;

matri(mother)+x(名词后缀)→子宫；母体；铸型；模型；母岩

sum [sʌm]

n. 总数;算术;金额;概略，要点; vt.& vi. 总计;总结，概括;归纳;

How about a California chablis?

来一杯California白葡萄酒好吗？

He seems very serious, but in fact he has a delightful sense of humor.

他看上去很严肃，其实很诙谐。

Ice is only as safe as the water from which it is made,

冰块只有当制造冰块的水安全时才是保险的，

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