Epiphosphorite
肾磷铁钙石
🗣️ 情景例句
Please wait a second.
请稍等。
Come what may, heaven won't fall.
船到桥头自会直。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。