“残余物”的英语可以翻译为：odd-come-short，relict，scrap，[建] residue，giblets ...

煤被干馏后剩下固体残余物:焦炭.Coal is destructively distilled leaving a solid residue, coke.蔬菜在煮之前要浸泡以清除农药残余物.Soak the vegetables to clear the remnant of pesticides before cooking.无生代岩石中不包含有机残余物.Azoic rocks don't contain organic ...