英语词汇umbra的意思、用法及释义-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	stamen stamina stammer stammerer stammeringly stamp stamp album stamp-collecting stamp-collector stamp-duty stampede stamping-ground stance stanch stanchion stand standard standard-bearer standardization standardize standard lamp standard of living standard time stand back (from sth) stand by

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。