① 我在大學里曾經參加過學生會、藝術團等組織（用英語怎麼說）
我在大學里曾經參加過學生會、藝術團等組織的英文翻譯
I have participated in the organization of student union, art troupe and so on in University.
[原文]我在大學里曾經參加過學生會、藝術團等組織
② 這次我們學校舉辦的校園藝術節的活動有歌詠比賽，樂器比賽和書畫展的英語翻譯
This campus arts festival held by our school has many activities, such as singing contest, Musical Instruments competition, and painting and calligraphy exhibition game.