Silazane
硅氮烷
🗣️ 情景例句
What's your major?
你是什么专业的？
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
We can make the price lower if you would order a bit more.
如果你单子下多一点，我们可以减价。