Arsenillo
粉粒氯铜矿
🗣️ 情景例句
I'll come and give you a hand tomorrow.
我明天来帮你忙。
Tom and John are in conflict over this.
汤姆和约翰之间存在着矛盾。
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。