"非常beautiful" 用英语可以说成 "extremely beautiful"。
"extremely" 是一个副词，意思是 "非常"，"beautiful" 是形容词，意思是 "美丽的"。
举例：
The sunset is extremely beautiful. (夕阳非常美丽。)
She looked extremely beautiful in her wedding dress. (她穿着婚纱非常美丽。)
The view from the top of the mountain was extremely beautiful. (山顶上的景色非常美丽。)
来源：beautiful 是英语中的常用词，它本源于古英语中的 "beaute"，意思是 "美好的"。