Sardinianite
铅矾(硫酸铅矿)
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
What kind of climate do you have?Is it mild?
你们那里的天气怎么样？它是不冷不热的吗？
Are these bags heavy? No, they're light.
不，是轻的。