Chinese Character: 筛 (Shāi - Sieve)
1. 基本特征 (Character Basics)
部首: 竹 (radical: bamboo)
笔画数: 12 (12 strokes)
结构分解: 竹（与竹制品相关） + 师（表音），形声字，表示用竹条编制的过滤工具 (composed of "竹" (bamboo) and "师" (indicating pronunciation), ideogram for a bamboo-made filtering tool)
笔顺:
2. 发音 (Pronunciation)
拼音: Shāi (first tone)
3. 含义 (Meaning)
筛指用多孔材料制成的工具，用于分离粗细颗粒或过滤液体 (Sieve refers to a tool with a porous structure used to separate particles or filter liquids)
4. 常用词汇 (Common Words)
- 筛子 (shāi zi) - sieve
- 筛选 (shāi xuǎn) - screen/filter
- 筛网 (shāi wǎng) - sieve mesh
5. 语法与用法 (Grammar & Usage)
作名词时表具体工具（如"一个筛子"）；作动词时表过滤动作（如"筛沙子"） (As a noun: specific tool (e.g., "a sieve"); as a verb: filtering action (e.g., "sift sand"))
6. 文化背景 (Cultural Background)
中国传统农耕中，筛是重要的农具，用于筛选谷物、种子，体现古人对生活工具的智慧创造 (In traditional Chinese farming, the sieve was an essential tool for selecting grains and seeds, reflecting ancient wisdom in tool-making)
7. 例句 (Example Sentence)
奶奶用筛子把小米里的杂质筛了出来。(Nǎi nai yòng shāi zi bǎ xiǎo mǐ lǐ de zá zhì shāi le chū lái.)
Grandma used a sieve to filter out the impurities from the millet.
8. 记忆技巧 (Memory Tips)
"竹"表示与竹子相关（传统筛多用竹条编制），"师"提示发音为Shāi，组合起来容易记住"筛"指竹制过滤工具 ("竹" indicates bamboo (traditional sieves are often made of bamboo), "师" hints at the pronunciation "Shāi", making it easy to remember "筛" refers to a bamboo sieve)