英语词汇penny black的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	penny black
释义	penny black 英?[?peni bl?k] 美?[?p?ni bl?k] 释义 n. 黑便士邮票(1840年发行的面值1便士邮票)
随便看	reduced proper motion reduced property reduced-protein diet reduced protein diet reduced quadratic form reduced quantity reduced radiation reduced rank reduced rank ar model reduced rank tensor reduced-rate reduced rate reduced rate average reduced-rate call reduced-rates reduced ratio reduced reflex time reduced refraction reduced refraction section reduced relative clause reduced representation reduced requced reduced reserve reduced reservoir pressure reduced reservoir pressure, datum pressure

英汉双解词典包含4367426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。