activity的音标：英式音标为[ækˈtɪvəti]，美式音标为[ækˈtɪvəti]。activity作为名词，是可数名词，基本含义为“活动”、“热闹状况”、“活跃”、“行动”，其复数形式是直接加s，即activities。
activity的中文释义及双语例句介绍
activity作为可数名词，译为活动;热闹状况;活跃;(为兴趣、娱乐或达到一定目的而进行的)活动。例句有：
1、The streets were noisy and full of activity.
街上熙熙攘攘，车水马龙。
2、The club provides a wide variety of activities including tennis, swimming and squash.
这家俱乐部的活动丰富多彩，诸如网球、游泳、壁球等。
3、You can take part in activities from canoeing to bird watching.
你可以参与从划独木舟到观鸟等各种活动。
4、The activities help children to develop a sense of their own worth.
这些活动有助于儿童培养自身的价值感。
5、Economic activity often follows a cyclical pattern.
经济活动常常遵循周期性模式。
6、She was kept in ignorance of her husband's activities.
关于丈夫的活动，她一直蒙在鼓里。
7、Muscles contract and relax during physical activity.
身体活动时肌肉收缩放松。
8、The centre offers activities like canoeing and sailing and such.
这个中心开展划艇、帆船之类的活动。
9、Fund-raising is peripheral to their main activities.
对他们的主要活动而言，筹集资金是次要的。
10、We plan to widen the scope of our existing activities by offering more language courses.
我们计划通过开设更多的语言课程扩大我们现有的活动范围。
