Permineralization
完全矿化
🗣️ 情景例句
She is at the top of her class.
她在班里名列前茅。
May I smoke?
我能抽烟吗？
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。