index

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四级六级考研雅思 Collins 3

英文释义

n. a numerical scale used to compare variables with one another or with some reference number
n. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
n. an alphabetical listing of names and topics along with page numbers where they are discussed
n. the finger next to the thumb

中文翻译

n. 索引, 指针, 指数, 指标
vt. 编入索引中, 指出
vi. 做索引
[计] 下标; 附标; 变址; 索引; 编索引

3
Collins 星级
1
Oxford 级别
1,793
BNC 频率
2,621
使用频率

记忆技巧

index 源自拉丁语 index,意为“指示者、指示物”。可以联想到它与“指引、目录”的含义相关。

例句

1. The index of the book helped me find the information quickly.

这本书的索引帮助我快速找到信息。

2. You can check the stock index to see how the market is performing.

你可以查看股票指数来了解市场表现如何。

3. The index finger is usually used for pointing at something.

食指通常用来指向某样东西。

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