Selbite
杂菱银矿
🗣️ 情景例句
As simple as that.
就这么简单。
Can I bring this on the plane?
这件我可以带上飞机吗？
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，