Caledonite
铅蓝矾
🗣️ 情景例句
Why are you in such a good mood?
为什么你的心情那么好？
A good friend is my nearest relation.
良友如近亲。
Exploring really deep caves is not a task for the Sunday afternoon rambler.
探测非常深的洞穴不是那些在星期日下午漫步的人所能胜任的。