shè / qū / zǔ / zhī / le / jǐ / ge / qún / zhòng / tuán / tǐ / cān / jiā / zhè / cì / gōng / yì / huó / dòng

社区组织了几个群众团体参加这次公益活动。

The community organized several mass organizations to take part in the public welfare event.