Walpurgite
砷铀铋矿
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Truth and roses have thorns about them.
真理和玫瑰，身上都刺。
I think I know you.
我想我认识你。