Porcelain teeth can be divided into precious and non precious metal ceramic porcelain teeth into two categories.
烤瓷牙可分为贵金属烤瓷牙和非贵金属烤瓷两大类。
Since porcelain is ceramic, and therefore glass-like, its surface is smooth and impervious and unlike older bonding materials, it will not be stained coffee, tea, red wine or cigarette smoking.
因为这种瓷料是陶瓷质地的，看起来像玻璃，与老式的物料不一样，其表面是光滑而且具有非渗透性，咖啡，茶叶红酒或是抽烟等都不会在其表面形成斑点。
Use only porcelain or ceramic to steep the tea.
只使用陶瓷或陶瓷陡峭的茶。
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