我知道很美用英文怎么说

"美"在英语中可以用单词"beautiful"来表示。这个单词来源于拉丁语"bellus"，意思是"美丽的"。

下面是一些使用"beautiful"的英文例句及其中文翻译：

The view from the top of the mountain was beautiful. (从山顶看下去非常美。)
She has a beautiful smile. (她有一个美丽的微笑。)
The garden was filled with beautiful flowers. (花园里开满了美丽的花。)