Teeth filling material 牙填料 ; 牙
It is like the forty-five-year-old CZU dentist who despised the nineteen-year-old he once was because of the decision to spend the rest of his life looking into people's mouths and filling teeth.
这正如一名安于现状的、45岁的牙医鄙视19岁时的他，因为当年他做出了一个决定——用自己的余生来检查人们的口腔和补牙。
Yet, since 1856, mercury amalgam is “the” filling dentists have used to repair our teeth.
然而，自1856年以来，汞合金填充物一直被用于修补我们的牙齿。
The element mercury has been shown to damage the human nervous system. Yet, since 1856, mercury amalgam is "the" filling dentists have used to repair our teeth.
虽然说汞对人体神经系统有害，但1856年以来，汞齐就被用于修补人们的牙齿了。
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