英语词汇“sigma”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sigma
释义	Word Frequency sigma (ˈsɪɡmə) noun 1. the 18th letter in the Greek alphabet (Σ, σ, or, when final, ς), a consonant, transliterated as S 2. mathematics the symbol Σ, indicating summation of the numbers or quantities indicated Word origin Greek, of Semitic origin; related to Hebrew samekh
随便看	perineurium period periodate period costume period drama period dress period furniture periodic periodic acid periodical periodical cicada periodicalist periodically periodic function periodicity periodic law periodic sentence periodic system periodic table periodic tenancy periodid periodid periodide periodisation periodise

英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。