Cobaltitite
[建] 辉钴矿
🗣️ 情景例句
Hi. What can I do for you?
嗨 。我能帮你吗？
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。