Johnstonite
混硫方铅矿
🗣️ 情景例句
What time can you send one over?
那你们什么时候能派人来呢？
One half of the world does not know how the other half lives.
贫富不相知。
the waters flow more quietly, and in the end, without any visible break,
河水流得平缓起来，最后连绵不断地