activity
[名词]
something that a person spends time doing, particularly to accomplish a certain purpose

活动, 行为
Ex: Solving puzzles and brain teasers can be a challenging but activity.
to jump
[动词]
to push yourself off the ground or away from something and up into the air by using your legs and feet

跳, 跳跃
to walk
[动词]
to move forward at a regular speed by placing our feet in front of each other one by one

走, 行走
trip
[名词]
a journey that you take for fun or a particular reason, generally for a short amount of time

旅行, 短途旅行

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