gstar论坛:china和porcelain的区别？

porcelain is a special type of clay either white or grey, to which kaolin (a white firing stiff clay) and white China stone (finely decayed granite, washed and prepared as small white blocks) is added. When fired at temperatures of 1,280°C and over (up to 1,400°C was achieved by the Chinese), the body vitrifies, ie it becomes completely impermeable. Glazes can be applied for the first firing, or the vessel can be decorated with a low-firing glaze and put back into the kiln a second time.
www.nga.gov.au/TTTsui/Appendices/Glossary.htm
china isAlthough it wasn't made in Europe until the 18th century, china was developed over 100 years ago in, not surprisingly, China. Once synonymous with porcelain, China is made when kaolin is mixed with petuntse, two forms of decomposed granite which fuse together in a very hot kiln to produce translucent clayware. If the item is opaque it is known as pottery. Bone china was developed by the English in the mid 18th century. ...
www.caroadshow.org/glossary.htm

china既有陶器的意思，也有瓷器的意思
porcelain就是瓷器的意思
（pottery是陶器的意思）
The Chinese made excellent pottery.中国人制作出了精美的陶器。
Judy collects blue and white china.朱蒂收集青花瓷。
Porcelain is a kind of object made from china clay.陶器是一种由瓷土制成的器物。