Phenylfluorone
苯基荧光酮
🗣️ 情景例句
What did I do with the rings?
我把戒指放哪儿了？
How long will you be in?
你将进去多久？
Not at all! Please sit down, Mr. Green. Would you like a cup of tea?
没关系！请坐，格林先生。你喝茶吗？