迈克尔罗伊森

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AllAll

Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical

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Floss your teeth The gerontologist Dr Michael Roizen claims that flossing your teeth every day can add six years to your life .

用牙线清洁牙齿。老年医学家迈克尔罗伊森博士称每天用牙线清洁牙齿能多活 6 年。

yòng yá xiàn qīng jié yá chǐ 。 lǎo nián yī xué jiā mài kè ěr luó yī sēn bó shì chēng měi tiān yòng yá xiàn qīng jié yá chǐ néng duō huó liù nián 。