Steinheilite
堇青石
🗣️ 情景例句
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
A pilot noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
一个飞行员发现了一只气球，它像是正飞往附近的一个皇家空军基地。