Phthanite
燧石, 角石, 英石岩
🗣️ 情景例句
Tomorrow is another day.
有明天就有希望。
I presume that this is your final answer.
我认为这就是你最后的答复。
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。