porcelain          
noun [ U ] uk/ˈpɔː.səl.ɪn/ us/ˈpɔːr.səl.ɪn/
 瓷
a hard but delicate, shiny, white substance made by heating a special type of clay to a high temperature, used to make cups, plates, decorations, etc.
  a porcelain dish 瓷碟 
 The tea cups are (made of) porcelain. 茶杯是瓷制的。 
  瓷器
cups, plates, and decorations, etc. made of porcelain
  He had a fine collection of Meissen porcelain. 他收藏了很多精美的迈森瓷器。