O-10：osmosis 埋头

　　A:Mary is really a diligent girl.

　　A:玛丽真是一个勤奋的姑娘。

　　B:What do you mean?

　　B:为什么这么说?

　　A:She learns to speak Lation by osmosis within three months.

　　A:她废寝忘食三个月学会了拉丁语。

　　B:She is really something.

　　B：她真了不起。