Nasonite
氯硅钙铅矿
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
Can I take my vacation, sir? I would like to see my mother in Miami.
头，我可以休假吗？我要去探望在迈阿密的母亲。
Lemonade!
柠檬水！