英语词汇“umbral symbol”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	umbral symbol
释义	umbral symbol noun : a symbol indicating substitution in turn of each of n given values followed by addition of the results obtained < the umbral symbol a in the expression x^ay_a which stands for x¹y₁+x²y₂+…+xⁿy_n >
随便看	black grub black grunt blackguard blackguardery blackguardism blackguardly blackguardry black guava black guillemot black gum mercuric sulfide mercuride mercurize mercuro- mercuro Mercurochrome mercurophylline mercurous mercurous mercurous chloride mercurous iodide mercury mercury mercury arc mercury-arc lamp

英语词典包含332784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。