Colusite
硫钒锡铜矿
🗣️ 情景例句
There are a few openings in publishing for new graduates.
出版业中几乎没有给新毕业生的空缺。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
Where's that?
苏格兰在什么地方？