We should take an active attitude toward old people.

我们应该对老人抱有积极的态度。

They were both politically active.

他们两人在政治上都很积极。

2、 He was very active in Freemasonry.

他在共济会组织很活跃

Yogurt is made from active cultures.

酸奶是由活性培养菌制成的。