单词	alpha particle
释义	alpha particleˈalpha ˌparticle noun [countable] technical an atomic particle consisting of two protons and two neutrons that is sent out by some radioactive substances
随便看	building block building contractor building site building society build-up built built environment built-in built-up Bukowski, Charles bulb bulbous Bulgaria Bulge bulge Bulger murder bulgur wheat bulgy bulimia bulimic bulk bulkhead bulkiness bulky bull

英语词典包含52748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。