单词	pentyne
释义	pentyne noun pen·​tyne ˈpen‧ˌtīn plural -s : either of two normal isomeric hydrocarbons C5H8 of the acetylene series Word History Etymology penta- + -yne
随便看	effective date effective horsepower effective pitch effective range effective resistance effective value effectively effectiveness effectivenesses effectives effectivities effectivity effectless effector effector cell effector cells effectors effects effectual effectual calling effectualities effectuality effectually effectualness effectualnesses

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。