求翻译：2011年5月21日上午，东城区中小学生“我们让城市更美好”模型创意搭建竞赛活动在东城区灯市口小学举办，来自东城区17所中小学校、32个代表队的一百多名中小学生参加了此次竞赛活动。是什么意思？

May 21, 2011 morning, Dongcheng District, primary and secondary schools, "We make the city a better" model to build creative contest in Dongcheng District Dengshikou primary schools, from the Dongcheng District 17 schools, 32 teams of more than one primary and secondary students participated in the

May 21, 2011 100010 am primary and secondary students, "We give a city a better " model contest activities creative structures in dengshikou primary schools from 100010, 17 elementary schools, 32 teams of more than 100 primary and secondary students participated in the competitions.

On May 21, 2011 the morning, the Dongcheng district elementary and middle school students “we let the city be happier” model creativity build competition to conduct in the Dongcheng district streets illuminated with lanterns mouth elementary school, come from the Dongcheng district 17 middle and ele

The morning of May 21, 2011, primary and secondary school students, Dongcheng District, "we better city" model contest in creative building Dengshikou, Dongcheng District, primary schools, from 17, Dongcheng District, more than 100 participants, including primary and secondary school students of pri

The morning of May 21, 2011, primary and secondary school students, Dongcheng District, "we better city" model contest in creative building Dengshikou, Dongcheng District, primary schools, from 17, Dongcheng District, more than 100 participants, including primary and secondary school students of pri