重合

• 拼音: chóng hé
• 汉字拆解: 重 = overlap; 合 = 人 + 一 + 口 = to close/match

含义

To coincide; to overlap exactly; to superimpose perfectly.

Used when two things align or match precisely, especially in technical, mathematical, or scheduling contexts. Implies exact correspondence rather than partial overlap.

例句

1. 两条线的轨迹正好重合。
2. 她的想法和我的不谋而合，完全重合。
3. 这两个图形旋转之后可以完全重合。

用法指南

语境: mathematics, technical, analysis

语气: precise

正确说法

• 把这两个三角形重合后可以证明它们全等。(By superimposing these two triangles, we can prove they are congruent.)
• 两份报告的数据完全重合。(The data from the two reports coincide exactly.)

错误说法

• 我们的时间重合 (For schedule overlap, 重叠 is more natural; 重合 implies exact match)

起源与历史

Compound of 重 (again/overlap) and 合 (to close/match). Together they describe perfect alignment or coincidence.

文化背景

世代: All ages

社会背景: Universal