1、作“索引”时,复数为:indexes
Author and subject indexes are available on a library database.
作者索引和学科索引可在图书馆的数据库中找到。
2、作“标志;指标;表征;量度 ;指示物”时,复数为:indices
Their faces are indices to character. 他们的脸是性格的标志。
Weeds are an index to the character of the soil.
杂草是反映土壤特征的一个指标。
3、作“(物价和工资等的)指数 ”时,复数为: indexes or indices
the cost-of-living index
生活费用指数
The Dow Jones index fell 15 points this morning.
道琼斯指数今天上午下跌了15点。
stock-market indices
股市指数
house price indexes
房价指数
The index is picking up.
指数回升。
The stock-market index fell by 80% before it began to recover.
股市指数下跌了80%后才开始反弹。
注意一点,当指数学中的指数时,其复数形式通常为:indices
作为动词用法:
1、为…编索引;将…编入索引
All publications are indexed by subject and title.
所有出版物都按学科和名称编索引。
This vast archive has been indexed and made accessible to researchers
这个存量巨大的档案室的所有文件都已编了索引,可供研究人员使用。
Painters and sculptors are indexed separately
画家和雕刻家被分开,分别做了索引。
She's indexed the book by author, by age, and by illustrator.
她根据作者、年龄和插图画家分别为该书编了索引。
2、将(工资等)与(物价水平等)挂钩;使指数化
Minimum pensions and wages are to be indexed to inflation.
最低养老金和最低工资要与通货膨胀挂钩。