英语词汇“keystone”的读音、翻译、释义、用法及例句-初旭网

词汇	keystone
释义	key.stone可数名词 1‘建筑’ (拱门上端的) 拱心石, 楔石 2 要旨, 基本原理[of] 3 (又作 keystone sack) (棒球俚)二垒
随便看	stob stoccado stoccata stochastic stochastic matrix stochastic variable stock stock account stockade stockage stock book stockboy stockbreeder stockbreeding stockbroker stockbrokerage stockbroking stock car stock certificate stock company stock dividend stock dove stocker stock exchange stock farm

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