Ardennite
[化] 硅铝锰矿
🗣️ 情景例句
I think it's too easy.
我觉得它太简单了。
When the fruit is scarcest, its taste is sweetest.
物以稀为贵。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，