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
Oh, Grandpa!
啊，爷爷！
To walk together
走在一起
From this the captain was able to piece together all the information that had come to light.
据此，船长可以将所有的那些已经搞清的材料拼凑起来。