noun🔗Share拱心石,拱顶石 The top stone of an arch."The keystones at the top of the old stone bridge held the entire structure together. "老石桥顶部的拱顶石支撑着整个桥梁的结构。architecturebuildingpartstructureChat with AIVocabulary GamePractice Reading
noun🔗Share拱心石,基石。 Something on which other things depend for support."In many successful projects, clear communication and strong teamwork are the keystones. "在许多成功的项目中,清晰的沟通和强大的团队合作是基石。structurebuildingChat with AIVocabulary GamePractice Reading
noun🔗Share宾夕法尼亚州人,宾州人 A native or resident of the American state of Pennsylvania.""Many keystones travel to Philadelphia for the annual Pennsylvania Dutch Festival." "许多宾州人前往费城参加一年一度的宾夕法尼亚荷兰人节。statepersonChat with AIVocabulary GamePractice Reading
noun🔗Share加倍定价,百分之百的利润。 (retail) A retail price that is double the cost price; a markup of 100%."Many small retailers rely on keystones to ensure profitability, meaning they double their cost when setting the final price for their products. "许多小型零售商依靠加倍定价来确保盈利,也就是说他们在设定产品最终价格时,会将成本翻一番。businesscommerceeconomyfinanceChat with AIVocabulary GamePractice Reading
noun🔗Share二游搭档,中线组合。 The combination of the shortstop and second baseman."The team's keystones were excellent; their double plays consistently shut down the opposing offense. "这支队伍的二游搭档非常出色,他们的双杀配合总能有效地压制对方的攻势。sportpositionChat with AIVocabulary GamePractice Reading