| 词汇 | brainiac |
| 词根词缀 | 词源： "very smart person," 1980s U.S. slang, from brain + ending from ENIAC, etc. Brainiac also was the name of a comic book villain in the Superman series and a do-it-yourself computer building kit, both from the late 1950s, and the word may trace to either or both of these. |
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