Beudantite
砷菱铅矾
🗣️ 情景例句
It seems I owe you an apology.
好像我该向你道个歉。
Do you know when the next exam is?
你知道下次考试在什么时候吗？
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？