Clausthalite
[化] 硒铅矿
🗣️ 情景例句
Hello. Is this the Old Country Inn?
喂 ，是Old Country Inn吗？
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
You are coming along well.
你进展得很好。