求翻译：“2008年5月18日，中国四川省发生了里氏8.0级的大地震，地震中无数孩子失去家园，为此校学生会号召大家，本周六上午9：30在主教学楼前面为灾区孩子捐款是什么意思？

"May 18, 2008, occurred in Sichuan, China's 8.0 magnitude earthquake, the earthquake many children have lost their homes, we call this the Student Union, 9:30 am Saturday in front of the main classroom building for the hit children donation

" May 18, 2008 Sichuan Province, China 4 8.0 broke out in the earthquake, the earthquake of countless children have lost their homes, schools, and students this week calling on everyone 6 9:30 am in the main school building in the disaster region earlier contributions children

“On May 18, 2008, the Chinese Sichuan had in the 8.0 magnitude of big earthquakes, in the earthquake the innumerable children has lost the homeland, summoned everybody for this school student association, this Saturday morning 9:30 donated money in front of the host classroom building for the disast

"On May 18, 2008, there have been 8 on the Richter scale in Sichuan province, China earthquake, many children have lost their homes in the earthquake, for which students can enlist you, 9:30 this Saturday in front of the main building for the disaster area child donation

"May 18, 2008, occurred in Sichuan, China's 8.0 magnitude earthquake, the earthquake many children have lost their homes, we call this the Student Union, 9:30 am Saturday in front of the main classroom building for the hit children donation