Beryllonite
磷(酸)钠铍石
🗣️ 情景例句
Can you finish the work by five o'clock tomorrow?
你能在明天五点钟之前做完这项工作吗？
My brother gets up later than I do.
与我做比，我的兄弟晚起床。
Haroun Tazieff, the Polish scientist,
波兰科学家哈罗恩。塔捷耶夫，