Fluorenic acid
[化] 芴酸
🧩 词语组成解析
🗣️ 情景例句
Hello, thank you very much for coming to my home.
你好，多谢你大驾光临我的寒舍。
He says it's too dangerous.
他说这样做很危险。
Manners are quite different from country to country.
各国的礼仪各不相同。