Phosphogypsum
磷石膏
🗣️ 情景例句
That's a good idea.
好主意。
Excuse me, please.
对不起。
as by falling into inaccessible caves, or into an ice crevasse, like the Siberian mammoths,
如掉进难以到达的洞穴，或掉进冰河裂缝里，或者像西伯利亚长毛象那样掉进冰窟中，