Polymethine
聚甲炔; 聚甲炔
🗣️ 情景例句
No,
不对，
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
I hope you can find it. I'm coming back in a minute.
我希望你能找到它。我很快就回来。