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	laser radiation detector laser range finder laser ranger laser ranging laser recorder laser-reflector laser scalpel Laser Scalpels laser-scan laser scanner laser scanning laser-scanning laser scope laserscope laser scriber laser seeker laser seismometer laser spectroscopy laser spectrum laser surgery laser target designating system laser threshold laser tracker laser transit laser-triggered switch

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。