Powellites
(powellite 的复数) 钼钨钙矿
🗣️ 情景例句
Hello, I would like to speak to ..., please.
喂， 我想找一下……
I don't think that's at all funny.
我觉得那件事一点也不好笑。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？