英语词汇Penny Blacks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	Penny Blacks
释义	penny black 黑便士邮票(指英国1840年发行的第一枚背面涂胶黑色1便士邮票)[亦作 P- B-]
随便看	diffraction rings diffractions diffraction scattering diffraction spectroscope diffraction spectrum diffraction symmetry diffraction velocimeter diffraction zone diffractive diffractive lens diffractively diffractiveness diffractometer diffractometers diffractometry diffs diffusate diffusates diffuse diffuse aurore diffuse-cutting filter diffused diffused-alloy transistor diffused-base transistor diffuse density

英汉双解词典包含483723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。