Glaucodote
钴硫砷铁矿
🗣️ 情景例句
He couldn't teach such dull children.
他教不了这么笨的孩子。
What time did you get to work yesterday morning?
你昨天早上什么时间上班？
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。