1. Einstein is most famous for his Theory of Relativity.
爱因斯坦以他的相对论最为出名。
famous 是形容词，意为“著名地”，相当于well-known
如：She is a famous writer.她是一位著名地作家 。
be famous for 表示“因……而出名” be famou s as 表示“作为……而出名”。如；Sun Yue is famous for her songs. 孙悦以她的歌而闻名。
Einstein is famous as a great scientist.
爱因斯坦作为一位伟大的科学家而闻名。
2. One week before his death, he signs his last letter.
在他去世的前一个星期，他签署了他的最后一封信。
death 是名词，它的形容词是dead, 动词是die 现在完成时中用be dead代替die 如：She died last week. 她上星期去世了。
She is dead. 她死了。
