核心
word C1- core; nucleus
Its characters
From the library
绘画完成并晾干后，最关键的步骤便是上油，这不仅能增强纸张的韧性，更是防水的核心所在。
表面上看，那位郑国买家的行为极其荒谬，他完全被华丽的外表迷惑而忽略了核心价值。
他用那支精准细致的笔，细腻地描绘了社会百态，直击复杂事物的核心本质。
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