K knowledge (knowledge) : learning all kinds of knowledge and you have learned to improve their lives and promote social progress.

k知识(knowledge)：不断学习各种知识，并把你所学到的知识用于改善生活和促进社会的进步。

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The river types are indicated with letters used by W. K oppen in his climate classification, which will render a quick knowledge of their corresponding hydrological features.

各型河流均以W·柯本气候分类的西文字母表示，读其字母便可知各型河流的水文特征。

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For individuals, the healthcare knowledge gap needs to be closed through systematic, expanded access to healthcare education for K-12 children and adults alike, perhaps through online and other channels.

FORBES: The Other Healthcare Divide: Healthcare Fluency