Catoptrite
黑硅锑锰矿
🗣️ 情景例句
What are some places of interest to visit there?
那儿有什么有趣的地方可以参观的吗？
What is he doing today?
今天他在做些什么？
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，