Nondense index
[计] 非稠密索引
🧩 词语组成解析
a. [数]疏的,无处稠密的
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
That's five points.
五分。
Danger is next neighbour to security.
危险是安全的近邻。
I'd like to come and cover the walls with some bright paintings.
我愿意给墙上画几幅色彩鲜艳的画。