geekery
noun [ U ] uk/ˈɡiː.kər.i/ us/ˈɡiː.kɚ.i/
(对某特定学科有极大兴趣和丰富的知识的)高手
a great interest in and knowledge of a particular subject
She's known for her grammar geekery. 大家都知道她是个语法高手。
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