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.
Right now, a transparent airplane like this one is nothing more than a technological fantasy, in which the plane's outer skin would be made of a special futuristic type of ceramic.
如今，这样的透明飞机仅仅是一个技术上的幻想，这种机身需要由一种特殊的未来派的陶瓷材料。
3
It looked like a German beer bottle with a ceramic plug, and there was a message inside.