Steigerite
水钒铝矿
🗣️ 情景例句
A small one will do. What is your best rate?
小型车就可以了。你们最优惠的价格是多少？
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
We'll have to talk this over some more.
这件事我们得好好地再谈一谈。