Chinese Character: 沈 (Shěn - Sink/Deep)
1. 基本特征 (Character Basics)
部首: 氵（三点水） (radical: water)
笔画数: 7 (7 strokes)
结构分解: 形声字，从水（氵，与水相关）、冘（yín，表音），本义指物体在水中下沉（如"沈没"），后引申为深沉、稳重（如"沈静"） (ideogram with "氵" (water) as radical and "冘" indicating pronunciation, originally meaning sink in water (e.g., "submerge"), extended to calm/steady (e.g., "calm"))
笔顺:
2. 发音 (Pronunciation)
拼音: Shěn (third tone)
3. 含义 (Meaning)
沈指物体在液体中下沉（如"沈船"），或形容性格稳重（如"沈静"），也可表示程度深（如"沈思"） (Sink: submerge in liquid (e.g., "sunken ship"); Calm: steady personality (e.g., "calm"); Deep: profound (e.g., "deep thought"))
4. 常用词汇 (Common Words)
- 沈阳 (Shěn yáng) - Shenyang (city name)
- 沈静 (shěn jìng) - calm
- 沈思 (shěn sī) - deep thought
- 沈没 (chén mò) - submerge
5. 语法与用法 (Grammar & Usage)
作动词时表具体动作（如"船沈了"）；作形容词时表状态（如"沈静的性格"）；常与"阳""静"等词组合（如"沈阳""沈静"） (Verb: specific action (e.g., "ship sank"); Adjective: state (e.g., "calm personality"); often combined with "阳/静" (e.g., "Shenyang", "calm"))
6. 文化背景 (Cultural Background)
"沈"是中国常见姓氏（如北宋科学家沈括），也是地名（如沈阳）；古代"沈"与"沉"通用，现代"沈"多用于姓氏和地名，"沉"更侧重动作（如"沉没"） ("沈" is a common Chinese surname (e.g., Shen Kuo, Northern Song scientist) and place name (e.g., Shenyang). Historically interchangeable with "沉", modern "沈" is used for surnames/place names, while "沉" focuses on action (e.g., "submerge"))
7. 例句 (Example Sentence)
这艘旧船在风暴中沈没了。(Zhè sōu jiù chuán zài fēng bào zhōng chén mò le.)
The old ship submerged in the storm.
他性格沈静，总是认真思考问题。(Tā xìng gé shěn jìng, zǒng shì rèn zhēn sī kǎo wèn tí.)
He has a calm personality and always thinks deeply about problems.
8. 记忆技巧 (Memory Tips)
"沈"由"氵"（水）和"冘"组成，想象物体在水中下沉的画面，记住"沈"的本义是"下沉"；通过"沈阳"（地名）和"沈静"（性格）联想扩展含义 ("沈" is composed of "氵" (water) and "冘". Imagine an object sinking in water to remember the original meaning "sink". Extend to "Shenyang" (place name) and "calm" (personality) through related words)