Silice
二氧化硅
🗣️ 情景例句
Easy does it, Robbie.
慢慢来， Robbie。
How much does it cost to go there by ship?
坐船到那里要花多少钱？
It was called Saving the earth and it was all about the damage that is being caused to the world.
会议叫“拯救地球”，所以全是有关地球遭受破坏的事情。