Sulfonic
a. 磺酸基的\\n[医] 磺[基]的
🗣️ 情景例句
I really enjoyed talking with you.
很高兴和你聊天。
How long will I have to wait?
我要等候多久呢？
Custom has not commonly been regarded as a subject of any great moment.
风俗一般未被认为是什么重要的课题。