单元

• 拼音: dān yuán
• 汉字拆解: 单 (single) + 元 (unit/origin)

含义

Unit; section. Used for units of a building (stairwell entry), textbook chapters, or other organised segments.

In housing, 单元 refers to a stairwell entrance in an apartment building. In education, it means a unit or chapter in a textbook. Also used in science and technology for a unit of measurement or module.

例句

1. 我家住在第二单元五楼。
2. 这本书的第一单元讲的是中国历史。
3. 请打开课本，翻到第三单元。

用法指南

语境: housing, education, everyday

语气: practical

正确说法

• 我住在这栋楼的第一单元。(I live in the first unit of this building.)
• 这个单元的内容比较难。(The content of this unit is quite difficult.)

错误说法

• 一个单元的苹果 (Don't use 单元 as a measure word for items — it refers to sections of buildings or textbooks, not countable objects)

起源与历史

Compound of 单 (single, individual) and 元 (unit, origin), meaning an individual segment within a larger whole.

文化背景

世代: All ages

社会背景: Universal