单词	plano-convex
释义	pla·no-con·vex (plā′nō-kŏn-vĕks, -kŏnvĕks′) adj. Flat on one side and convex on the other: a plano-convex lens. plano-convex Light rays converge through a plano-convex lens.
随便看	nine-to-fiver Ninette ninety Nineveh Ningbo Ningpo Ningsia Ningxia ninja ninny ninon ninth Niobe niobite niobium Niobrara River nip nip nipa Nipah virus nip and tuck Nipigon Nipissing nipper nippily

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。