上个周末我们班组织了一次社会实践活动的翻译：Last weekend we organized a social practice 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Last weekend our class organized a social practice

Last weekend we organized a social practice

Previous weekend our class has organized social practice

Last weekend we courses organized a social practice activities

Last weekend we organized a social practice