汉字部首「四点底（灬）」解析
Analysis of the Chinese radical “Four Point Base” (灬)
（俗称“四点底”“火字底”，多位于字底部）
(Commonly known as “four point bottom” or “fire character bottom”, often located at the bottom of characters)
▍核心属性
Core attributes
│名称 │ 四点底（灬部）
│ Name │ Four point bottom (灬)
│读音 │ 无独立读音，原为「火」的变形（读 huǒ）
│ Pronunciation │ No independent pronunciation, originally a variant of “fire” (pronounced as “hu ǒ”)
│笔顺 │ 左点 → 短撇 → 右点 → 长点（共4笔，形似分散火苗）
│ stroke order │ left dot → short stroke → right dot → long dot (4 strokes in total, resembling scattered flames)
│构字位置 │ 固定于字底部（例：热、烈、煮）
│ Character position │ Fixed at the bottom of the character (e.g. hot, strong, boiled)
▍表意关联
▍ Symbolic association
┌───────────────
┌───────────────
│ 1. 火与热量
│ 1. Fire and Heat
│ ▪ 直接表火或高温（例：热、煮、煎）
│ ▪ Directly apply heat or high temperature (e.g. hot, boiling, frying)
│ ▪ 引申为强烈情感（例：烈、熙、熊→古义表火势旺盛）
│ ▪ Extended to strong emotions (e.g. Lie, Xi, Xiong → Ancient meaning indicating intense fire)
│ 2. 动物足部
│ 2. Animal feet
│ ▪ 少数表动物脚（例：燕→尾部四点似燕尾分叉）
│ ▪ A few animal feet (e.g. swallow → tail with four points resembling a swallowtail fork)
│ 3. 假借变形
│ 3. Pretending to transform
│ ▪ 部分字为「火」部简写（例：黑→上部「火」+下部四点）
│ ▪ Part of the characters are abbreviated as “fire” (e.g. black → upper “fire”+lower four dots)
└───────────────
└───────────────
▸ 例字逻辑：
Example word logic:
煮（用火加热）→ 热（高温状态）→ 烈（火势猛烈）→ 燕（尾部形态）
Boiling (heating with fire) → Hot (high temperature state) → Fierce (intense fire) → Swallow (tail shape)
▍高频字分类
High frequency word classification
│ 火与热能类 │ 热、煮、煎、熬、熏、焦
│ Fire and Thermal Energy │ Heat, Boil, Fry, Boil, Smoked, Charcoal
│ 情感强度类 │ 烈、熙、熊（古义）、照（光照如火）
│ Emotional intensity category │ Lie, Xi, Xiong (ancient meaning), Zhao (shining like fire)
│ 动物形态类 │ 燕、羔（古字下部含四点表火烤）
│ Animal morphology category │ Swallow, lamb (with four points of fire included in the bottom of the ancient characters)
│ 特殊变形类 │ 黑（上部火+下部四点）、無（无繁体「無」含四点）
│ Special deformation class │ Black (upper fire+lower four points), None (no traditional Chinese “none” including four points)
▍书写技巧
Writing skills
四点呼应：
Four points of response:
第一点（左）与第四点（右）稍长，中间两点短小
The first point (left) and the fourth point (right) are slightly longer, while the middle two points are shorter
四点方向各异：左点向右下，短撇向左下，右点垂直，末点向右拉长
The four points have different directions: the left point points downwards to the right, the short skim points downwards to the left, the right point points vertically, and the end point points elongate to the right
托举上部：
Lift the upper part:
宽度需覆盖上方结构（如「热」字灬部比上部「执」更宽）
The width needs to cover the upper structure (such as the “hot” part being wider than the upper “holding” part)
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