The imperfect fossil record leaves many gaps in our understanding of early amphibian evolution.
不完美的化石记录使我们对早期两栖动物演化的理解存在许多空白。
Memoirist Solveig Bakke argues that memory itself is inherently reconstructive and imperfect, so demanding strict factual verification misunderstands what a memoir can honestly offer readers in the first place.
From a Cross-Text Connections question · Craft and Structure
Which choice best defines “imperfect”?
C — Not perfect; having flaws. “imperfect” means not perfect; having flaws.
Which word means “not perfect; having flaws”?
A — imperfect. “imperfect” means not perfect; having flaws.
imperfect — not perfect; having flaws. In Chinese: 不完美的，有缺陷的.
imperfect is pronounced /ɪmˈpɜːrfɪkt/.
The imperfect fossil record leaves many gaps in our understanding of early amphibian evolution. (不完美的化石记录使我们对早期两栖动物演化的理解存在许多空白。)
flawed, defective, faulty — all close in meaning to imperfect (not perfect; having flaws).
perfect, flawless — each the opposite of imperfect (not perfect; having flaws).
Yes. imperfect 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.