Gotzenite
氟硅钙钛矿
🗣️ 情景例句
You go first.
你先来。
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
That's right. I'm travelling round the country.
对。我在周游全国各地。