Chalcocitization
辉铜矿化(作用)
🗣️ 情景例句
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
That's wrong.
那是错的。
Let us get down to fundamentals and agree that the young are after all human beings -- people just like their elders.
承认青年人和他们的长辈一样也是人。