Bellite
铬砷铅矿
🗣️ 情景例句
How long will this letter take to get there?
这封信需要多长时间到那儿？
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
Yes, that is the best we can do.
是的，这是我们的最低价了。