Lactyl
乳酸基, 乳酰基
🗣️ 情景例句
Yes, sir.
是的 ，先生。
My brother wants to learn how to dance.
我的兄弟想要学习跳舞。
We informed him that the fissure extended for fifty years and was tow feet wide and four feet deep.
我们告诉他那个大裂缝长50码，宽2英尺，深4英尺。