Phenolphthalein
n. 酚酞\\n[化] 酚酞
🗣️ 情景例句
What would you say is the most popular sport in your country, Mr. Lu?
陆先生，你们国家什么运动最流行？
Is that lady a student?
那位女士是学生吗？
Mrs.Ramsay got very worried.
拉姆齐太太急坏了，