translation.en: I'm thrilled to be here tonight to share with you something we've been working on for over two years, and it's in the area of additive manufacturing, also known as 3D printing.
translation.zh: 我今天非常荣幸在此 与大家分享我们最近两年 所致力研究的成果， 这些成果是在积层制造领域取得的， 也就是所谓的3D打印。