Operation expression - [计] 运算表达式，怎么读怎么用

🧩 词语组成解析

operation [,ɑpə'reʃən]

n. 操作，经营;手术;[数]运算;作用;

oper 工作 + ation 表示行为、状态、过程 → n.操作；手术；运算

expression [ɪk'sprɛʃən]

n. 表现，表示，表达;表情，脸色，态度，腔调，声调;[数]式，符号;词句，语句，措辞，说法;

ex出来+press挤压+ion名词后缀 →表达；表情

He's such a workaholic that he doesn't know how to spend his leisure time.

他是个工作狂，以至于不懂得如何打发他的空闲时间。

Talk of the devil, and he is sure to appear.

说鬼鬼到。

The chest contained the personal belongings of a seaman, Alan Fielding.

木箱内装有水手艾伦。菲尔丁的私人财物，

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