我曾经多次参加过志愿者活动.的翻译是：什么意思

我曾经多次参加过志愿者活动.

翻译是：

I have participated in volunteer activities many times.

昨天我参加了学校组织的足球比赛的翻译是：什么意思

昨天我参加了学校组织的足球比赛的翻译是：Yesterday I participated in a football game organized by the school

在大学的前两年，我参加了一些志愿活动。求英文翻译

I participated in various volunteering activities during the first two years of college.

英语翻译 5.讲座后,全班开展了热烈的讨论,每个学生都参与其中.（participate）

讲座后,全班开展了热烈的讨论,每个学生都参与其中.

After the lecture, enthusiastic discussion was inspired among the class, every student participated in it.