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Featured Word B2

刻骨铭心 (adjective)

Unforgettable; etched in one's memory.

💡 Memory Tip

Imagine a surgeon 'carving' (刻) a name into a 'bone' (骨) and then 'writing' (铭) it onto a 'heart' (心). It's a bit gr...

🏛️ Origin

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