英语词汇umbra怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	umbra
释义	umbra n (pl -rae or ~s) (astronomy 天) dark central part of the shadow cast by the earth or the moon in an eclipse, or of a sunspot 本影. Cf 参看 penumbra.
随便看	outbid outboard motor outbreak outbuilding outburst outcast outcaste outclass outcome outcrop outcry outdated outdistance outdo outdoor outdoors outer outermost outer space outface outfall outfield outfielder outfight outfit

英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。