extraneous [ɪkˈstreɪniəs]

以下由轻松背单词网站提供

adj.体外的；外来的；外部的

not directly connected with or related to something

I can choose to ignore these extraneous thoughts. 我可以选择无视这些外来的想法。
Reductant from an extraneous source is introduced. 外来的还原剂被引进来。