Mullite is a kind of important engineering ceramic material with high temperature mechanical stability and good thermal shock resistance.

高温性能稳定、抗热震性好的莫来石是一种重要的工程陶瓷材料。

Couch into a bed, Would you like me to lend you a hand?

哦，我呆会会把被单和枕头拿到沙发上让你睡。

If you did not, please vote anyways, and let me know what I could have done better.

如果您没有，请投票反正，让我知道我可以做得更好。