The unidentified species of beetle discovered in the rainforest may hold clues to new medicinal compounds.
在雨林中发现的那种未确认的甲虫物种可能为新的药用化合物提供线索。
Which choice best defines “unidentified”?
D — Not recognized or known. “unidentified” means not recognized or known.
Which word means “not recognized or known”?
B — unidentified. “unidentified” means not recognized or known.
unidentified — not recognized or known. In Chinese: 未确认的.
unidentified is pronounced /ˌʌnaɪˈdɛntɪfaɪd/.
The unidentified species of beetle discovered in the rainforest may hold clues to new medicinal compounds. (在雨林中发现的那种未确认的甲虫物种可能为新的药用化合物提供线索。)
unknown, unrecognized, unnamed — all close in meaning to unidentified (not recognized or known).
identified, known — each the opposite of unidentified (not recognized or known).
Yes. unidentified is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. 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.