Arithmetic operation - [计] 算术运算\\n[经] 算术运算，怎么读怎么用

🧩 词语组成解析

arithmetic [ə'rɪθmətɪk]

n. 算术，计算;算法;

arith数学+met+ic...术 →算术

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

Nice day, isn't it?

天儿真不错，你说呢？

I met one of the announcers over at the television station.

我在电视公司遇到一位播音员。

and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,

并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，

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arbitrary constant