英语词汇“keystone”的读音、翻译、释义、用法及例句-智慧网

词汇	keystone
释义	keystonekeystoneD.J.:[ˈki:stəun]K.K.:[ˈkiˌston]n.1.■重点,要旨,基本原理,拱心石,楔石
随便看	lithium hydrate lithium hydride lithium hydroxide lithium iodate lithium iodate single crystal lithium iodide lithium-iodine battery lithium-iodine cell lithium-ion battery lithium-ions battery lithium lactate lithium-magnesium reduction lithium-manganese dioxide cell lithium metaborate lithium metal lithium-metal sulfide cell lithium metaphosphate lithium metasilicate lithium methide lithium mica lithium molecular laser lithium molybdate lithium myristate lithium nephropathy lithium niobate

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