| 正面 | 13206.deficient 英 [dɪ'fɪʃ(ə)nt]美 [dɪ'fɪʃnt]     |
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| 背面 |     释义： 1. ex- => es- => as- "out" + -tound (ton-) "thunder".2. 这里的 as- "out" 取引申义，表示：离开、脱离正常的状态或情绪或表情。3. 字面含义：thunder sb out. => leave someone thunderstruck.4. 或者：out: 出去、离开、远离。=> 不管。=> 听任、让、使…处于(某种状态)(leave)。adj. 不足的；有缺陷的；不充分的 例句： 1. a diet that is deficient in vitamin A缺乏维生素A的饮食 deficientdeficient: [16] Deficient was acquired from Latin dēficient-, the present participial stem of dēficere ‘undo, fail, leave, be lacking’, a compound verb formed from the prefix dē- ‘away’ and facere ‘do, make’ (a parallel formation lies behind English defeat). The past participial stem of the Latin verb, dēfect-, produced English defect [15], while its third person present singular dēficit was borrowed by English as deficit.=> defeat, defect, deficitdeficient (adj.)1580s, from Latin deficientem (nominative deficiens), present participle of deficere "to desert, revolt, fail," from de- "down, away" (see de-) + facere "to do, perform" (see factitious)." |