Acetyls
(acetyl 的复数) n. 乙酰(基)\\n[化] 乙酰; 乙酰基
🗣️ 情景例句
Christmas is coming up. Zhao Ming, let me ask you a question.
圣诞节快到了，赵明，我问你个问题。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个，我说哪一个都没有关系。[动词时态一致，这是中国人学习英语最头痛的一个问题。]
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-