比重

• 拼音: bǐ zhòng
• 汉字拆解: 比 = two people side by side, meaning compare; 重 = weight/heavy

含义

Proportion; specific gravity; relative weight. The ratio or percentage of something relative to a whole.

In physics, refers to specific gravity (density ratio). In general usage, means the proportion or share of something. Common in business, statistics, and scientific contexts.

例句

1. 服务业在国民经济中的比重越来越大。
2. 他把大部分时间都花在工作上，家庭的比重太小了。
3. 这种金属的比重比水大，所以会沉入水底。

用法指南

语境: business, statistics, science

语气: analytical

正确说法

• 出口占GDP的比重是多少？(What's the proportion of exports in GDP?)
• 我们需要增加研发的比重。(We need to increase the proportion of R&D.)

错误说法

• 在日常口语中用'比重'描述普通事物——用'比例'或'占多少'更自然 (Don't use 比重 in casual conversation — 比例 or '占多少' sounds more natural)

起源与历史

Compound of 比 (compare/ratio) + 重 (weight), literally meaning 'comparative weight.'

文化背景

世代: All ages

社会背景: Universal