Carboxyl reaction
[建] 羧基反应
🧩 词语组成解析
n. 羧(基)\\n[化] 羧基
🗣️ 情景例句
You and Alexandra
你和Alexandra
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
We were getting very worried.
我们都非常担心呢。