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每三个月把新的牙刷头寄到你邮箱里的服务。
A service that delivers a new toothbrush head to your mailbox every three months.
youdao
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一种牙刷头具有一个从刷头延伸的牙齿清洁单元。
A toothbrush head has a tooth cleaning element extending from the head.
youdao
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一种牙刷头具有一个从刷头延伸的牙齿清洁单元。
A toothbrush head has a tooth cleaning element extending from the head.
youdao