Ordinary refractive index
[化] 寻常折射率
🧩 词语组成解析
a. 折射的, 有折射力的\\n[医] 折射的, 屈光的
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
What's wrong?
怎么啦？
Opportunity, sooner or later, comes to all who work and wish.
只要努力工作而有志向，机会迟早终会来临。
On Sundays, hundreds of people come from the city to see our town and to walk through the woods.
每适星期天，有许许多人从城里来观赏我们的小镇，并在树林中散步。