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
Just to get an idea of some other possibilities.
瞧瞧其他可能的选择。
Father has prescribed a course of action for my bother.
父亲指使弟弟的行动。
What shocked him most was that the men who carried him were black.
最使他感到惊奇的是，把他运走的人都是黑人。