Index
01
食指, 示指
the finger adjacent to the thumb, commonly used for pointing
例子
She wore a ring on her index finger.
她在她的食指上戴了一枚戒指。
02
指数, 指标
a system that provides the amount of prices, costs, etc. so that one can compare them with their previous value
语法信息
有生性状态
抽象
形态构成
复合词
可数
复数形式
indices/indexes
例子
The Consumer Price Index (CPI) is used to measure inflation by comparing current prices to those of a base year.
消费者价格指数（CPI）通过将当前价格与基准年的价格进行比较来衡量通货膨胀。
03
索引, 目录
an alphabetical listing of topics, names, or terms with references to their locations, typically in a book or document
例子
The book includes an index for quick reference.
这本书包含一个索引，以便快速参考。
04
指数, 指标
a value or ratio derived from observed data that reveals relative changes over time or between items
例子
The industrial production index rose last month.
工业生产指数上个月上升了。
05
指数, 下标
a notation indicating the number of times a quantity is multiplied by itself
例子
In the equation x², 2 is the index.
在方程 x² 中，2 是 指数。
to index
01
编入索引, 分类
to systematically organize and list items for easy reference or retrieval
Transitive: to index records or documents
语法信息
形态构成
派生
动作动词
规则
现在时
index
第三人称单数
indexes
现在分词
indexing
一般过去时
indexed
过去分词
indexed
例子
They indexed the books in the library according to the Dewey Decimal System.
他们根据杜威十进制系统对图书馆的书籍进行了索引。
02
指数化, 根据指数调整
to adjust wages, prices, or other economic variables according to an index
Transitive: to index prices or wages to an economic factor
例子
The government decided to index the minimum wage to inflation.
政府决定将最低工资与通货膨胀挂钩。
03
编入索引, 索引
to create or add an index to a document, collection, or system
Transitive: to index a document or book
例子
The librarian indexed the new books so students could find them quickly.
图书管理员索引了新书，以便学生可以快速找到它们。
