Knopite
铈钙钛矿(钛酸钙矿夹杂氧化铯及氧化铁)
🗣️ 情景例句
Like I said, he'll be with you shortly.
正像我所说 ，他不久就可以与你会面。
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
He dreaded having to spend Christmas in hospital.
他十分害怕在医院过圣诞。