早上7点30分在学校门口集中.7点45分乘学校巴士出发的翻译：7:30 A.M. set at the school gate. 7:45 start by school bus 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

7:30 am at the school gate concentrated .7 starting point of 45 men traveling in school buses

7:30 A.M. set at the school gate. 7:45 start by school bus

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7:30 A.M. set at the school gate. 7:45 start by school bus