查人人中国名人网是一部内容开放、自由的互动网络百科全书客观、专业、权威的知识性百科全书
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/07 12:35:48
The oxygen we need to consume these food is only a byproduct of this chemical action.
O2 the food need uesd by us is just this kind of reflection's consume.