英语词汇keystone states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	keystone states
释义	Keystone State 拱顶石州，枢石州(美国宾夕法尼亚州的别称)
随便看	friction damping friction depth friction-disc friction drag friction drive friction driver friction driving frictioned friction factor friction factors friction-feed printer friction flow friction gear friction gear(ing) friction gearing friction gripping friction head friction horsepower friction layer frictionless frictionlessly friction loss friction losses friction match friction matches

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。