Global common subexpression
[计] 全局公用子表达式
🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
[计] 子表达式
🗣️ 情景例句
Always got something to say.
总有话要说。
The teacher was not at all happy with his students.
那位老师对他的学生毫不满意。
Forty-two years later a tunnel was actually begun.
42年以后，隧道实际已经开始建了。