单词	butanoic acid
释义	bu·ta·no·ic acid (by′tə-nōĭk) n. See butyric acid. [BUTAN(E) + -OIC.]
随便看	stenothermal stenothermic stenothermous stenotic stenotopic stenotype stenotypist stenotypy stent stentor stentorian step step- step aerobics step aside stepbrother step by step stepchild step dance step-dance step-dancer stepdaughter step down step-down stepfamily

英语词典包含135693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。