Knopite
铈钙钛矿(钛酸钙矿夹杂氧化铯及氧化铁)
🗣️ 情景例句
As you please. I'm ready.
请便。我准备好了。
I remember the girl whose father owns a dress shop.
我记得那个女孩的父亲有一家服装店。
Mum, can we have our fish and chips outside?
妈，我们可以在户外吃吗？