airborne radioactivity空气: air; atmosphere中: hit; fit exactly放射: radiate; emit; blas; radiati ...现象: appearance; phenomenon空气中放射性微粒监察器: monitor for radioactive particulate in air下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:空气中放射现象，即可在微信中查询翻译
