Naphthoflavone
萘黄酮, 7, 8-苯并黄酮
🗣️ 情景例句
Mr. Gao in Room 409.
409房间的高先生。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Yes, Miss Gao. Hello! This way, please.
好的，高小姐。你们好！请这边走。