Kellerite
铜镁矾
🗣️ 情景例句
I'm so tired, I have to take a nap when I get home.
我太累了，回到家后一定要睡上一会儿。
One father is more than a hundred school-masters.
一个父亲胜于一百个教师。
The sun will burn you if you're not careful.
要是你不当心，太阳会把你晒黑的。