Bituminite
烟煤
🗣️ 情景例句
Tom doesn't have a steady girlfriend at the moment.
汤姆眼下还没有一个已确定关系的情侣。
Hello! I'm from ABC Insurance. May I speak to you?
您好，我是从ABC保险公司来的。我可以跟您谈谈吗？
Where can we see your complete line?
什么地方可以看到你们全部产品的样品？