英语怎么写?

high本身就有形容词和副词的功能.以下就是当副词用的时候:
high
adv.
高
The eagle flies high.
鹰飞得很高。
They climbed high up the tree.
他们爬树爬得很高。

当然,highly 就只能当副词了,如高度赞扬某人speak highly of sb.
如果硬说high的副词是highly,那有点牵强了.

highly

highly

highly

highly

highly做副词时表示抽象意义的高,比如:
They speak highly of him.他们高度赞扬他.
high做副词是具象的高,如:
He jumps high.他跳地高.