active
单词辨析：
形容某人要做的事情多或者某个地方活动多、很热闹。
She is busy now; please wait a moment.
她正在忙，请稍等一会儿。
September is the busiest time of year for book shops.
9月是一年中书店最忙碌的时候。
That restaurant is located on a very busy road.
那家餐馆位于一条非常热闹的大街上。
尤指人好活动的。
She is now over 70 and not very active.
她现在70多岁，不大活动了。
His mother always led a very active life.
他的母亲一直过着忙忙碌碌的生活。
指忙于做某事（尤指公务）而脱不开身的。
I'd come to the party but I'm afraid I'm otherwise engaged.
我很想参加聚会，但恐怕我另有公务，难以脱身。
She is now engaged in writing letters.
她现在正忙着写信。
指精力旺盛、充满活力的。
His son seems to be an energetic child.
他儿子似乎是个充满活力的孩子。
He is an energetic campaigner.
他是一位积极的活动家。
指非常活跃的或积极参与某活动的。
He's 70, but still very active.
他70岁了，但仍然很活跃。
Susan takes an active part in campus life.
苏珊积极参加校园活动。
指充满兴趣和精力的。
His face suddenly became animated.
他的脸一下子变得眉飞色舞起来。
I have rarely seen her so animated.
我很少见到她这么活跃。
指充满活力、富有创新精神的。
The firm is looking for dynamic individuals to be salesmen.
公司正在寻找有活力、有闯劲的销售人员。
Economically, Asia is still the most dynamic region in the world.
亚洲依然是世界上最具经济活力的地区。
指表现积极或身体强健的。
She made an outstanding performance in that vigorous debate.
她在那场激烈的辩论中表现出色。
Vigorous efforts are being made to ease congestion in the city.
正在积极努力缓解该市的交通拥堵。
All teachers in the school like that vigorous young girl.
学校里的所有老师都喜欢那个充满活力的女孩子。
相关例句：
She has taken an active part in all past contests.
她积极参加历次比赛。
His daughter was very active and noisy in the mornings.
他的女儿一到上午就很好动，吵吵闹闹的。
Etna is Europe's most active volcano.
埃特纳山是欧洲最活跃的火山。
The scouts are active under the enemy's very noses.
侦察兵就在敌人眼皮底下活动。
The active suspension system gives the car a very smooth ride.
这个主动悬架系统使汽车行驶起来非常平稳。
I am an active member of the Conservative Party
我是保守党的积极分子。