单一

• 拼音: dān yī
• 汉字拆解: 单 = simplified from 單, originally depicting a forked hunting weapon; 一 = one horizontal stroke

含义

Single; unitary; monotonous. Having only one type, lacking variety or diversity.

Often used to describe something that lacks diversity or is limited to just one kind. Can have neutral or slightly negative connotations depending on context. Common in discussions about diet, economy, methods, or sources.

例句

1. 过于单一的饮食结构对健康不利，应该多吃各种蔬菜水果。
2. 这个国家的经济结构太单一，主要依赖石油出口。
3. 公司的产品线比较单一，需要开发更多的新产品。

用法指南

语境: analysis, business, health

语气: descriptive

正确说法

• 收入来源不能太单一。(Income sources shouldn't be too singular.)
• 这种方法太单一了。(This method is too monotonous.)

错误说法

• '单一'暗示缺乏多样性——如果想表达专注或专一，用'专注'或'专一'更合适 (单一 implies lack of diversity — to express focus or dedication, 专注 or 专一 is more appropriate)

起源与历史

Compound of 单 (single, alone) + 一 (one), emphasizing the idea of being just one type.

文化背景

世代: All ages

社会背景: Universal