brainiacbrain‧i‧ac /ˈbreɪniæk/ noun [countable] American English informal 
someone who is very intelligent
someone who is very intelligent
| 单词 | brainiac |
| 释义 | brainiacbrain‧i‧ac /ˈbreɪniæk/ noun [countable] American English informal someone who is very intelligent |
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