单词	butanoic acid
释义	butanoic acid noun bu·​ta·​no·​ic acid ¦byütə¦nōik- : butyric acid sense a —used in the system of nomenclature adopted by the International Union of Pure and Applied Chemistry Word History Etymology butane + -o- + -ic
随便看	re-escalations re-establish re-established re-establishing re-establishment re-estimate re-estimated re-estimating re-estimation re-evaluate re-evaluated re-evaluating re-evaluation re-evaluations re-examination re-examinations re-examine re-examined re-examining re-experience re-experienced re-experiencing re-exploration re-explorations re-explore

英语词典包含469781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。