Kobaltfahlerz
钴黝铜矿
🗣️ 情景例句
Marriage is an institution not to be taken lightly.
婚姻是个不能儿戏的体系。
When I slept, he was out.
当我睡了时候，他外出了。
The noble stared at the blank sheet of paper for a few seconds.
贵族盯着纸看了几秒钟，