Cobaltite
n. 辉砷钴矿\\n[化] 辉钴矿
🗣️ 情景例句
It's a good investment.
这是一项好投资。
When did you find this book?
你什么时候找到这本书的？
While the five babies were babies were still quietly sleeping in oxygen tents in hospital nursery,
眼下，五胞胎还静静地躺在医院婴儿室的氧气帐里，