n.不恰当，离题，不相干的事物( irrelevancy的名词复数 )...

irrelevancies的音标：...

Apollonius stripped the knowledge of all irrelevancies and fashioned It'systematically.阿波罗尼做了去粗取精和使之系统化的工作.Let us ignore these irrelevancies.咱们不必管这些不相干的事....