Sonolite
斜锰硅石
🗣️ 情景例句
Sure. We are thinking of a joint venture with you in selling Chinese arts.
当然。我们正在考虑和你们公司合资经营一起卖中国工艺品。
To know one's self is true progress.
能有自知之明就是真正的进步。
Opportunity knocks but once.
机不可失，时不再来。