英语词汇keystone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
释义	key·stone /ˈkiːstəʊn/ n. 1. 【建】拱顶石；塞缝石 2. 基础；主旨；基本原则 the keystone of sb.'s faith 某人信仰的基础 The keystone of their foreign policy is friendliness to all nations. 他们外交政策的基本原则是和所有国家都友好相处。
随便看	spring binder spring binders springblade knife springboard springboarded springboarding springboards springbok springboks spring bolt spring bolts spring break spring breaker spring breaks springbuck springbucks spring catch spring catches spring chicken spring chickens spring clean spring-clean spring-cleaned spring-cleaning spring-cleanings

英汉双解词典包含548777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。