Graphalloy
在高压下使熔融金属饱和的石墨
🗣️ 情景例句
Keeping busy. Yourself?
一直很忙，你呢？
As the touchstone tries gold, so gold tries man.
试金石可以试金，正如黄金可以试人。
The book is protected by copyright.
该书受版权保护。