单词	butanoic acid
释义	butanoic acid /ˌbjuːtəˈnəʊɪk / noun Systematic chemical name for butyric acid.He devised a two-step synthesis for the compound 4 - (4-hydroxy-phenyl) butanoic acid, an intermediate for a drug that Lilly is developing.... Butanoic acid dissolves in water, and is weak acid, because its dissociation is only partial Dimethylol butanoic acid (DMBA) contains two kinds of functional groups in one molecule.
随便看	unprovability unprovable unprovableness unproved unproven unprovided unprovided for unprovidential unprovisioned unprovocative Franconia Franconian Franconia Notch Francophile Francophilia Francophobe Francophobia francophone Francophonia Franco-Prussian War francs-archer franc-tireur franger frangible frangipane

英语词典包含243303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。