问个句子
王若平－难句分析：第46页中：The resistance experienced when one body moves over another,with which it is in contact,is called the frictional force.
其中：experiened是个什么结构？在句中起什么作用？
\"with which it is in contact\"怎么翻译？which和it各指代什么?in contact with是组合在一起的么？
页:
[1]