Knopite
铈钙钛矿(钛酸钙矿夹杂氧化铯及氧化铁)
🗣️ 情景例句
Please go over it and see if everything is in order.
请再过目一下，看看是否都符合规定。
Are you crazy?
你疯了吗？
I can't afford to go to a restaurant every day.
每天都去餐馆吃饭，我真是支付不起。