active agent

活性剂
活化剂

例句与用法：

The college students are active to crusade against the nuclear weapons.

大学生们积极投入开展反对核武器的运 动。

We should take active part in extracurricular activities.

我们应该积极参加课外活动。

Ms. Brown is active in the party.

布朗女士在晚会上很活跃。

He is an active member of the school's stamp club.

他是学校集邮俱乐部的一名活跃会员。

She was active as a left-winger in the party.

她是党内积极的左翼分子。

She has an active imagination.

她有灵活的想象力。

Vesuvius is an active volcano.

维苏威山是一座活火山。

词形变化：

副词: actively | 名词: activeness |