在撰写考研英语作文时，掌握一些高级词汇能显著提升文章的档次。以下是一些高级词汇及其用法：
1. Ephemeral：短暂的，转瞬即逝的。例句：“The ephemeral nature of fame makes it a fleeting experience for many celebrities.”
2. Ineffable：难以言表的，无法用言语表达的。例句：“The beauty of the sunset is ineffable and can only be fully appreciated through personal experience.”
3. Conundrum：难题，复杂的问题。例句：“The environmental crisis poses a conundrum that requires innovative solutions.”
4. Pernicious：有害的，恶性的。例句：“The use of plastic bags is pernicious to the environment and should be phased out.”
5. Paradoxically：矛盾地，相反地。例句：“Paradoxically, while technology has brought convenience, it has also created more distractions.”
6. Perseverance：坚持不懈，毅力。例句：“The success of the project was due to the perseverance of the team members.”
7. Inevitable：不可避免的，必然的。例句：“The inevitable consequences of climate change are becoming increasingly evident.”
8. Mellifluous：悦耳的，流畅的。例句：“The mellifluous voice of the singer filled the hall.”
9. Culminate：达到顶点，达到高潮。例句：“The summit of the mountain culminated in a breathtaking view.”
10. Ingenious：巧妙的，有发明天才的。例句：“The ingenious design of the product made it stand out in the market.”
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