Diamondite
赛金刚石合金; 碳化钨合金
🗣️ 情景例句
Yes, Charles Maxwell.
是的， 我是Charles Maxwell。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。