[名]
（为达到某种目的而采取的行动） activity; maneuver
various activities
各种活动
politica l activities
政治活动
[心] behaviour
[动]
（运动） move about; exercise
move muscles in exercise or work
活动筋骨
Go out and stretch your limbs.
出去活动活动。
（说情） use personal influence or irregular means
put in a word for him; use one's influence on his behalf
替他活动活动
[形]
（动摇） shaky; unsteady
The chair is shaky.
这把椅子活动了。
This screw is loose.
这个螺丝活动了。
（不固定） movable; mobile; flexible
movable dam
活动坝
prefabricated house
活动房屋