Epistolite
硅铌钛矿
🗣️ 情景例句
Yeah,
是啊。
What's the temperature today?
今天的温度是多少？
I'm afraid that he can't,Mr. Croft.Can't you wait till this afternoon?
恐怕不能，克罗夫特先生。您就不能等到今天下午吗？