释义 |
n- ① 希腊字母的第18个字母(Σ、σ,δ;相当于英文本母的S, s)
词路径- entity
- abstraction
- abstract entity
- communication
- signal
- signaling
- sign
- symbol
- written symbol
- printed symbol
- character
- grapheme
- graphic symbol
- letter
- letter of the alphabet
- alphabetic character
- sigma
上位词- alphabetic character
- letter
- letter of the alphabet
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