Macromineral
n. 常量矿物质；大量元素\\n
🗣️ 情景例句
visiting places of revolutionary interest, outings, parties.
参观革命圣地，出去郊游，或者举办晚会。
These shoes are worn-out.They've lasted a long time.
这些鞋子旧了。已经用了很长时间了。
Some of us do not know much about the theatre.
我们中有些人还不太懂戏剧。