Polyarsenite
红砷锰矿
🗣️ 情景例句
Oh, let me help you with this.
来， 我帮你放好。
As soon as I complete my training,I'm going to be a bank teller.
一旦我完成训练，我将是一个银行出纳。
I would like to ask you a favor.
我可以提出一个要求吗？