Schulzite
单硫锑铅矿
🗣️ 情景例句
kick off your shoes, and sit down.
脱掉你的鞋子， 坐下来。
I'll work for 5 years and then go back to school.
我会工作五年，然后会学校。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。