甲 🔊

网络内容摘要 (Web Content Summary):

甲（拼音：jiǎ）是常用汉字，属于一级通用规范汉字。其最早出现于商代的甲骨文和金文。 Jiǎ is a commonly used Chinese character, first appearing in oracle bone and bronze inscriptions from the Shang Dynasty.

• 核心含义及象形起源：“甲”是象形字，最初的字形像动物用以保护自身的坚硬外壳，也像古代士兵用于作战的铠甲。后来还指植物籽实的外壳，或人手指、脚趾上的硬壳（甲壳、指甲）。 Core Meaning & Pictographic Origin: Jiǎ is a pictographic character, originally depicting a hard protective shell of animals or the armor worn by ancient soldiers. It can also refer to the shells of seeds and nails on fingers or toes.

• 特殊用法与文化背景： “甲”还是天干的第一位，在传统纪年、排序中常用“甲”表示“最前”或“最优”。另外，商代常有“上甲”等人名。 Special Usage & Cultural Context: "Jiǎ" is also the first of the Ten Heavenly Stems, used in traditional calendars and ranking (often meaning "the first" or "the best"). In ancient times, it was used in names like "Shàng Jiǎ".

• 常用词与易混淆点：常见词有“指甲”、“甲骨文”、“甲壳”等。需注意与“甲乙丙丁”中的“甲”同指顺序，不同于“乙”等。 Common Words & Confusions: Common words include "zhǐjiǎ" (finger/toenail), "jiǎgǔwén" (oracle bone script), and "jiǎké" (carapace/shell). Note that in expressions like “甲乙丙丁”, "甲" indicates ranking, different from "乙" and others.

成语提示：常用于“榜上有名（榜首为甲）”等表示优秀、领先的词语中。 Idiom Note: "Jiǎ" often appears in expressions about being first or outstanding, e.g., "at the top of the list".