加工从简单成分合成复杂有机物使体内食物或简单成分转变成能吸收能排泄的复杂有机物
Processing involves the synthesis of complex organic substances from simple ingredients, transforming food or simple components in the body into complex organic substances that can be absorbed and excreted
以上为机器翻译结果，长、整句建议使用 人工翻译 。