Phthanite
燧石, 角石, 英石岩
🗣️ 情景例句
Dad was a busy doctor,
爸爸是个很忙的医生，
We have a lot of invitation cards, but they are all for the same date.
我们接到了许多请帖，但是上面的日期却全都是同一天。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？