Sparse index
[计] 稀疏索引
🧩 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
Did you know
你知道
When poverty comes in at the door,love flies out of the window.
贫穷一进门，爱情跳窗走。
It is harvest time, and all the farmers are very busy.
因是收获季节，所有的农民都很忙。