单词	Knoop hardness
释义	Knoop hardness noun ˈnüp- : the relative hardness of a material (as a metal) that is determined by the depth to which the bluntly pointed diamond pyramid of a special instrument will penetrate it Word History Etymology after F. Knoop, 20th century American chemist
随便看	silver chickweed silver china grass peripheral peripheral field peripheral nervous system peripheral neuropathy peripheralism peripherally peripherals peripheries periphero- periphery periphrase periphrases periphrasis periphrastic periphrastically periphyses periphysis periphytic periphyton periphytons periplanetae periplanetas periplasm

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。