The editor removed extraneous details from the article to keep the focus on the main scientific finding.
编辑删除了文章中无关的细节，以保持对主要科学发现的关注。
Which choice best defines “extraneous”?
A — Irrelevant; coming from outside.. “extraneous” means Irrelevant; coming from outside..
Which word means “Irrelevant; coming from outside.”?
A — extraneous. “extraneous” means Irrelevant; coming from outside..
extraneous — Irrelevant; coming from outside.. In Chinese: 无关的;外来的.
extraneous is pronounced //ɪkˈstreɪniəs//.
The editor removed extraneous details from the article to keep the focus on the main scientific finding. (编辑删除了文章中无关的细节，以保持对主要科学发现的关注。)
irrelevant, unrelated, superfluous — all close in meaning to extraneous (Irrelevant; coming from outside.).
relevant, essential — each the opposite of extraneous (Irrelevant; coming from outside.).
Yes. extraneous is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
extra(外) → 题外/外来的。