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
They say it's going to rain tomorrow.
据说明天有雨。
So far I have been learning about England.
到目前为止，我一直在研究有关英格兰的事情。
We'll have to get this contract typed as soon as possible.
我们得尽快把契约书打出来。