英语词汇“bifocal spectacle”的读音、翻译、释义、用法及例句-开邑网

词汇	bifocal spectacle
释义	bifocal spectaclebifocal spectacle1.■双光眼镜;双焦眼镜
随便看	principle of dimensional invariance principle of diminishing productivity principle of directional duality principle of disclosure principle of discretional evidence principle of diversity and dominance principle of double-entry bookkeeping principle of drug action principle of duality principle of dynamic principle of dynamics principle of ecological development principle of economic flow principle of economics principle of effective demand principle of effective stress principle of electromagnetic inertia principle of electroneutrality principle of entropy increase principle of entropy increasing principle of entropy production principle of equal advantage principle of equal effects principle of equality and mutual benefit principle of equal net advantage

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