He was a dentist who had an office in the building—his teeth were capped with silver.
他在罗雷莱有办公室，是个牙医，他的牙都包着银色的外壳。
Her teeth were capped with silver.
她的牙齿是包了银的。
Dental amalgams, the silver-colored material used to fill teeth after removal of a cavity, include liquid mercury and a powder that contains silver, tin, copper, zinc, and other metals.
银色的汞合金在牙科中被用于填充牙齿患病后残留的腔洞，合金包括液态的汞和粉末状的银、锡、铜、锌以及其他金属。
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