Sigma
['sɪgmə] or ['sɪɡmə]
解释:
(n.) The Greek letter /, /, or / (English S, or s). It originally had the form of the English C.
丹尼校对
解释:
n. the Greek letter corresponding to our s—written Σ (capital) σ (small initial) or ς (small final).—adjs. Sig′mate Sigmat′ic.—ns. Sigmā′tion the adding of s at the end of a word or syllable; Sig′matism repetition of s or the s-sound: defective pronunciation of this sound.—adjs. Sig′moid -al formed like s.
整理:萨莎