Graftonite
钙磷铁锰矿
🗣️ 情景例句
Yes. It's a lovely day and good enough to travel.
是的，天气很好，旅游是再好不过了。
Books,like friends,should be few and well chosen.
书籍如朋友，宜少宜精选。
Yes! They're having a good time.
是呀！他们玩得很痛快。