Ethanoyl
[化] 乙酰; 乙酰基
🗣️ 情景例句
What was your best subject in college?
大学时你哪门功课最好？
Is it illegal to tap a telephone for the purpose of secretly recording a conversation?
为了秘密地录下谈话，在电话内装置窃听器是违法的行为吗？
the mind catches hold of something and will not let it go.'
此时脑子纠缠住了某种东西又不肯松手。"