活动的英文：
activity
exercise
behavior

movable vice jaw
活动钳口

Active border
活动边框

Animated graphics
活动图像

Sliding partitions
活动滑板

She is an active participant in this activity.
她积极参与这项活动。

the works of a clock
钟的活动部件

This will put a stay on their activities.
这将制止他们的活动。

Move around; move about
活动;活跃;迁移

In quest of adventure
寻求冒险活动

A nocturnal animal
夜间活动的动物

She is an active participant in this activity.
她积极参与这项活动。

They are union actives.
他们是工会积极分子。

contamination activity
污染放射性

The exercise is that difficult!
练习题那么难！

morning exercises and setting - up exercises duringthe break
早操和课间操

Exercise stimulates the flow of blood.
锻炼促进血液循环。

changeable behavior.
可改变的行为

Be on your good behavior, now.
你要放规矩点。

His behavior was beyond bearing.
他的行为令人忍无可忍。