active

n. 主动语态；积极分子

adj. 积极的；活跃的；主动的；有效的；现役的

That's why more and more people are becoming active in various kinds of sports and exercises.

这就是为什么越来越多的人正积极地参加体育锻炼的原因。

You will be not only making an active choice to not do the old action you will also be making a choice to perform a better, alternative action in its place.

你将不仅仅要主动的不去选择旧的行动方式，你也会选择更好的表现，另一种行为。

As is known to all, volunteers played an active role in Beijing Olympic Games.

众所周知，志愿者在北京奥运会中发挥着积极的作用。

In the end of the class, he suggested us to be more active in the class and encouraged us to study hard.

在课堂的最后，他建议我们课堂上要更加活跃，并鼓励我们努力学习。

As we all know, children are active and they would like to go out to have fun.

我们都知道，孩子是很活泼的，他们想要出去外面玩耍。

Instead, active measures should be taken to improve morals and ethics¹ of the public.

相反，我们应该采取积极措施以提高公共道德。

We should take an active attitude toward old people.

我们应该对老人抱有积极的态度。

Secondly, successful learners take an active attitude towards study.

其次，成功的学习者对待学习的态度都是很积极的。

John is an active boy and often helps Amy.

约翰是个活跃的男孩而且经常帮助艾米。

However, being active is of necessity and we will fall in love with the new life.

然而，积极是必须的，我们最后也会爱上新生活的。