Powellite
钼钨钙矿
🗣️ 情景例句
Yes. Have you got any seats left on the 10th at 7:30 a.m. to HongKong?
是的。你们还有10号早上7点半去香港的机票吗？
Palm Springs. I've got a cousin there.
棕榈泉，我有个表兄在那儿。
Most business letters around the world are written in English.
世界上大多数商务信函都是用英语写的。