Sulphonic
a. [化]酸性硫酸基的
🗣️ 情景例句
I can't figure him out-he's a mystery!
我不能理解他，他真是个迷。
I am afraid I will not be able to accompany you.
我恐怕无法跟你在一起了。
What's the matter, Granny? Can I help you?
什么事，老大娘？我能帮你吗？