都是宾语从句啊!一个个分析吧:
on which那句理解成:my wife and i have tried to bring up our family on the principles
in which那句:my father believed in the principle
by which那句:he governed his life by the principles
最后是:i learned the principles at my mother‘s knee
都是宾语从句啊!一个个分析吧:
on which那句理解成:my wife and i have tried to bring up our family on the principles
in which那句:my father believed in the principle
by which那句:he governed his life by the principles
最后是:i learned the principles at my mother‘s knee