关于那些XX in （就是加了In law）的意义

关于那些XX in （就是加了In law）的意义 father-in-law（岳父）-----翻译的死板一点,是不是就是法律意义上的父亲? son-in-law 的复数是不是sons-in-law uncle in law与brother in law 的区别 sister-in-law是什么意思? about offer in law your daughter in law daughter-in-law是什么意思 sister-in-law是什么意思 son-in-law father- in -law,mother-in-law,brother-in-law,sister-in-law怎么 in law sister