P-bromobenzenesulfonyl
[化] 对溴苯磺酰基
🗣️ 情景例句
Ellen reminds me so much of Grandma. Ellen
真让我想起奶奶。
I'm sorry, but I didn't catch what you said.
对不起，我没有听明白你的话。
What's the matter with him, doctor?
他得了什么病，医生？