单词	preform
释义	preform /priːˈfɔːm / verb [with object] (usually as adjective preformed) Form (something) beforehand: a preformed pool... Organs developed in this way are referred to as preformed organs. Short and medium shoots were self-terminated and had only preformed nodes. Nitrogen is more soluble than helium and any preformed bubbles will quickly absorb nitrogen.
随便看	ephemeral ephemerality ephemerally ephemeris ephemerist ephemeris time ephemeron Ephemeroptera ephemeropteran Ephesians, Epistle to the Ephesus ephialtes ephod ephor ephorate ephyra epi- epibenthic epibenthos epiblast epic epical epically epicanthic epicardial

英语词典包含243303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。