分类：教育/科学
问题：翻译成中文(三)Tomatonceanswered,"Yourb 
Tom at once answer,"Your brother.Because electricity travels faster than sound waves.""That's very good."
回答：Tom at once answered,"Your brother.Because electricity travels faster than sound waves.""That's very good."



Tom 立刻回答说："你的兄弟（哥哥或弟弟）。因为电流通过的速度比声波要快."  "回答得好."