What's done cannot be undone写个关于这个句子的课前演讲...4分钟就够了 意思是生米煮成熟饭
问题描述：
What's done cannot be undone
写个关于这个句子的课前演讲...4分钟就够了 意思是生米煮成熟饭
答
去搜一下把~~~~呵呵........4分钟大概要500字...祝你上课顺利!!
答
An anguished Lady Macbeth says,"What's done cannot be undone." Does this apply to cancer cells?Cancer arises as a result of both genetic and epigenetic modifications.Whereas genetic changes permanentl...