"actively" is an adverb that can be used to describe "active" or "positive" behavior.
Its origin comes from the verb "act" and the suffix "-ively" which is used to form adverbs from adjectives.
Example Sentences:
She actively participated in the volunteer project. (她积极参与志愿者项目。)
He actively seeks opportunities to improve his skills. (他积极寻求提高技能的机会。)
The company is actively looking for ways to reduce waste. (公司正在积极寻找减少浪费的方法。)