Polyarsenite
红砷锰矿
🗣️ 情景例句
She's really a good friend, isn't she?
她真是我的好朋友，不是吗？
Why are you sitting over there?
你为什么坐在那里？
Of course I will. What about you? Aren't you going to Xi'an soon?
我当然会的。你打算上哪度假呢？你不是很快就要去西安了吗？