| 词汇 | imbecile |
| 词根词缀 | 词源： 1540s, imbecille (adj.) "weak, feeble" (especially in reference to body), from M.Fr. imbecile (15c.), from L. imbecillus "weak, feeble" (see imbecility). Sense shifted to mental weakness from mid-18c. As a noun, it is attested from 1802. Traditionally one with a mental age of roughly 6 to 9 (ahead of an idiot but beneath a moron). |
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