Phthanite
燧石, 角石, 英石岩
🗣️ 情景例句
Thank you for everything.
一切谢谢你。
I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陈先生不在，你要不要跟其他人讲话？
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。