the food that is made with wheat flour .这儿为什么用with

题目

the food that is made with wheat flour .这儿为什么用with

答案

that is made with wheat flour .是定语从句,that指代the food.还原成独立的句子就是The food is made with wheat flour.菜是用小麦粉做的.with 用什么东西、工具from表示原料（制成品中已经看不出是这种原料了）of...