楝树含有一种温和的防腐剂，为数百万贫穷的印度人提供这种牙刷；甚至中产阶级也用它制成的牙膏。
Neem contains a mild antiseptic and provides such toothbrushes for millions of poor Indians; even middle-class ones use toothpaste made from it.
我们牙膏的特点含有天然的单氟磷酸钠成份，它是预防蛀牙的一种活性成份，并且能温和的清洁。
Our toothpaste features naturally sourced sodium monofluorophosphate as its active ingredient to provide cavity protection, and calcium to clean.
我们牙膏的特点含有天然的单氟磷酸钠成份，它是预防蛀牙的一种活性成份，并且能温和的清洁。
Our toothpaste features naturally sourced sodium monofluorophosphate as its active ingredient to provide cavity protection, and calcium to clean.
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