O-cresolsulfonphthalein
[化] 甲酚红
🗣️ 情景例句
Guess what?
你猜怎么的？
Your presence here will be of a great contribution to the Guangdong business community as a whole.
你们的建立对整个广东商界将是一个极大的贡献。
I'm afraid I'm still not very good at it, though.
不过，恐怕我的汉语还是不够好。