Chevkinite
硅钛酸铈钇矿
🗣️ 情景例句
Dad saved him, not me.
是爸爸救了他， 不是我。
It is hard to please all parties.
取悦各方，谈何容易。
Can I have the key to the front door please?
我能带上前门的钥匙吗？