Endlichite
砷钒铅矿
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
How did you like last night's party?
喜欢昨晚的聚会吗？
Computers have become smaller and smaller, more and more powerful and cheaper and cheaper.
计算机已经变得体积越来越小，功能越来越多，价格越来越低，