active

活跃的、好动的、爱运动的

My grandmother is still very active at the age of eighty.

我奶奶八十岁了还是很活跃。

积极的、主动的

She takes an active role in planning the whole event.

她在整个活动的规划上扮演积极的角色。

活跃的、积极参与的

He has been active in the union for over ten years.

他在工会里活跃了十多年。

有效的、使用中的、现行的

Your account will stay active for another three months.

你的帐户还会保持有效三个月。

活性的、有作用的

The active ingredient in this cream reduces redness quickly.

这款乳霜中的活性成分能快速减少泛红。

活动的、活跃的指火山、风暴等

The volcano is still active and could erupt again.

这座火山仍在活动，可能再次喷发。

现役的军事

He spent six years on active duty before retiring.

他服了六年现役才退伍。

主动的文法

Rewrite these sentences using the active voice.

请用主动语态改写这些句子。

活动性的、恶化中的医学

Tests showed that the infection was still active.

检验显示感染仍处于活动期。

主动语态文法

This verb usually appears in the active rather than the passive.

这个动词通常用主动语态而非被动语态。