1.
a person who does not participate.
没有参加某项活动的人。
2.
Opt out of an activity
决定不参加或退出某项活动
3.
We took an active part in the activity.
我们积极参加这项活动。
4.
person who regularly goes to or attends the specified place or event
常去某地或参加某活动的人
5.
Leave a place or travel to a place to take part in an activity or carry out an action.
离开某处或去某处参加活动或进行活动。
6.
equipment needed to participate in a particular sport.
参加某项体育运动需要的装备。
7.
fail to attend an event or activity.
未能参加某一活动或行动。
8.
the state of being debarred (excluded from enjoying certain possessions or rights or practices).
被排斥不能参加某活动的状态。
9.
He would be taking part in some kind of communal recreations.
他一定是在参加某种集体的文娱活动。
10.
More than 3,500 people attended the celebration.
总共有3500多人参加了这项庆祝活动，
11.
She went in with me on the activity
她与我一道参加那项活动。
12.
I attended a charity activity during the summer holidays.
暑假期间,我参加了一项慈善活动。
13.
Which kind of activity do you often take part in?
你经常参加什么活动项目?
14.
Take part in the specified activity, esp a sport, usu with other people
来（参加某活动，尤指体育运动，通常和他人一起）
15.
carry out or participate in an activity; be involved in.
完成一项任务或参加一项活动；专心于一种工作。
16.
To insert oneself into an ongoing activity, project, or situation.
加入，参与中途加入到进行中的活动、项目或形势
17.
run or stand for office.
做某一项活动的侯选人。
18.
Unable to engage in many activities, my father still tried to participate in some way.
虽然父亲不能参加许多活动，但他仍然设法以某种方式参与进来。