Powellite
钼钨钙矿
🗣️ 情景例句
I'm a friend of Pete's.
我是Pete的朋友。
Car manufacturers are having a bad time.
汽车制造商的日子不好过。
To our dismay, we saw that there were snails everywhere:
让人沮丧的是，我们发现到处都是蜗牛：