Arithmetic index number
[经] 算术式指数
🧩 词语组成解析
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
🗣️ 情景例句
Why don't you talk to him about it tomorrow?
何不明天再跟他谈？
Custom without reason is but ancient error.
习俗没有道理，古代谬误而已。
It is all very well for such things to occur in fiction.
这种事发生在小说中是无可非议的。