英语考研单词讲解：
1. Adequate（充足的）：指足够、恰当的。例句：He provided an adequate explanation for his absence.
2. Concise（简洁的）：形容表达简明扼要，没有多余。例句：Her letter was concise but clear.
3. Diverse（多样的）：表示不同种类或来源的。例句：The class had a diverse range of students.
4. Innovative（创新的）：指有新意、新颖的。例句：Her innovative ideas revolutionized the industry.
5. Optimal（最佳的）：表示最理想的、最合适的。例句：The optimal solution to the problem was not immediately apparent.
6. Prolific（多产的）：形容人创造力强，作品或成果丰富。例句：He is a prolific writer with numerous books to his name.
7. Sustainable（可持续的）：指能够长期维持或发展的。例句：We need to find sustainable ways to reduce our carbon footprint.
8. Vigorous（充满活力的）：形容人或事物充满力量、精力充沛。例句：The young athlete showed a vigorous performance in the race.
9. Zealous（热心的）：表示对某事极度热情、热衷。例句：She is a zealous advocate for environmental protection.
10. Abstract（抽象的）：指不具体、难以捉摸的。例句：Philosophy deals with abstract concepts.
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