变美了很多用英语可以表达为 "has become much more beautiful"。
这个表达是来源于动词 "become" 和形容词 "much more beautiful" 的结合。"Become" 是一个变化动词，表示变成、成为的意思。形容词 "beautiful" 表示美丽的，而 "much more" 是一个比较级，表示比较程度，即 "很多"。所以 "much more beautiful" 的意思就是 "非常美丽"。
下面是一些例句：
She has become much more beautiful since the last time I saw her. (自从上一次见到她以来，她变美了很多。)
The garden has become much more beautiful since we planted new flowers. (自从我们种了新花以来，花园变美了很多。)
The city has become much more beautiful since the renovation project was completed. (自从整修项目完成以来，这个城市变美了很多。)
这个表达是来源于动词 "become" 和形容词 "much more beautiful" 的结合。"Become" 是一个变化动词，表示变成、成为的意思。形容词 "beautiful" 表示美丽的，而 "much more" 是一个比较级，表示比较程度，即 "很多"。所以 "much more beautiful" 的意思就是 "非常美丽"。
下面是一些例句：
She has become much more beautiful since the last time I saw her. (自从上一次见到她以来，她变美了很多。)
The garden has become much more beautiful since we planted new flowers. (自从我们种了新花以来，花园变美了很多。)
The city has become much more beautiful since the renovation project was completed. (自从整修项目完成以来，这个城市变美了很多。)