坝

• 拼音: bà
• 汉字拆解: 坝 = 土 (earth) + 贝 (phonetic)

含义

Dam; embankment; dike.

A structure built to hold back water, such as a reservoir dam or river embankment. Also used in place names (e.g., 三峡大坝 Three Gorges Dam).

例句

1. 三峡大坝是世界上最大的水利工程之一。
2. 汛期来临之前，必须加固河坝。
3. 这座坝修建于上世纪五十年代，至今仍在使用。

用法指南

语境: engineering, geography

语气: technical

正确说法

• 大坝拦住了洪水。(The dam held back the floodwaters.)
• 坝体出现了裂缝。(Cracks appeared in the dam structure.)

错误说法

• 把普通墙壁说成'坝' (Don't call ordinary walls 坝 — it's specifically for water-retaining structures)

起源与历史

Composed of 土 (earth) + 贝 (shell, phonetic). Originally referred to earthen embankments.

文化背景

世代: All ages

社会背景: Universal