Ufertite
铈铀铁钛矿
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
Do you have a visa?
你有签证吗？
We hope you enjoyed the visit to the showroom.
希望你还喜欢我们的展示室