单词	pinning block
释义	pinning block noun : a metal or wooden block with pinholes used as an aid in pinning and mounting insects Word History Etymology pinning from gerund of pin entry 2
随便看	bipropellant bipropellants bipunctal bipunctate bipunctual bipyramid bipyramidal bipyramids biquadrates biquadratic biquadratic equation biquadratics biquarterly biquartz biquinary biquintile biquintiles bir ibn ḥay biracial biracialism biracialisms biradial biradiate biradiated biradical

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。