英语词汇“x-ray background”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	x-ray background
释义	x-ray background x-ray background [′eks ‚rā ′bak‚grau̇nd] (astronomy) Diffuse, almost isotropic x-radiation from beyond the solar system, believed to be the summed contribution of many unresolved sources. See XRB See XRB
随便看	digit-coded voice digit compression digit delay element digit-digit copying test digitek digitellum digit emitter digiterati digit filter digitgrade locomotion digiti digiti- digitiform digitigrade digitigrade locomotion digitigradely digitigrade mammal digitigradism digiti hippocratici dig it in digitin digitinervate digitip digitipartite digitipinnate

英语词典包含2567994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。