Caryocerite
褐稀土矿
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。
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，