Minerogenesis
成矿作用
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
I only had time to visit Edinburgh.
我只有时间去爱丁堡。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。