形式有participate ，participants,participation,participated,participating

The initial reaction of most participants is fear多數(shù)參與者的最初反應(yīng)是恐懼。

2.He described himself and Altman as victims rather than participants in the scandal他把他自己和奧爾特曼描繪成這一丑聞的受害者而不是參與者。

3.He has been an active participant in the discussion.他一直積極參與這次討論。

4.Participants were categorized according to age.參加者按年齡分組。