To study diligently and ponder exhaustively; to devote oneself to deep research and intensive thinking.
为了攻克这个技术难题，科研团队的成员们经常研精竭虑，夜以继日地工作。
To overcome this technical challenge, members of the research team often devoted themselves to deep study and exhaustive thinking, working day and night.
Era:
Ancient
Frequency:
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