[常用复][谑]学问, 科学; 空论
学问, 科学
a science or other branch of knowledge
1. an informal word (abstracted from words with this ending) for some unidentified branch of knowledge
(hypernym) , , , , , , , ,
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1. an informal word (abstracted from words with this ending) for some unidentified branch of knowledge(hypernym) , , , , , , , , 
柯林斯
百科