Carboxyl
n. 羧(基)\\n[化] 羧基
🗣️ 情景例句
thank you very much.
十分感激你。
My coffee is too hot to drink!
我的咖啡热得没法喝。
How extraordinary! I said. I think someone has been carving animals.
“多么神奇啊！”我说，“我想有人一直在刻这些动物。”