Zeasite
火蛋白石
🗣️ 情景例句
used for new books
被用来购买新书
They called us just as we were having dinner.
当我们正在吃晚饭，他们就打电话给了我们。
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。