洞

• 拼音: dòng
• 汉字拆解: 洞 = 氵(water radical) + 同 (same, phonetic)

含义

Hole; cave; cavity. An opening or hollow space in a surface.

Can refer to natural caves (山洞), holes in objects (衣服上有个洞), or figurative gaps. Also used in compounds like 洞穴 (cave), 黑洞 (black hole), and 洞察 (to see through).

例句

1. 探险家们发现了一个从未被人类探索过的山洞。
2. 我的袜子上有个洞，得换一双新的。
3. 兔子飞快地钻进了地上的洞里。

用法指南

语境: nature, everyday, description

语气: descriptive

正确说法

• 衣服上有个洞。(There's a hole in the clothes.)
• 山洞很深。(The cave is very deep.)

错误说法

• '洞'强调深度或贯穿——浅的凹陷用'坑'，小的开口用'孔'更准确 (洞 emphasizes depth or penetration — for shallow dents use 坑, for small openings use 孔)

起源与历史

Pictophonetic character: 氵(water radical) originally related to deep pools, 同 is the phonetic component.

文化背景

世代: All ages

社会背景: Universal