记忆方法
将“deficient”分解为“de”和“ficient”，其中“de”表示“不”，“ficient”表示“足”，合起来就是“不充足”或“缺乏”。可以这样记忆：想象某人缺少某些能力或东西，因此显得“不充足”。
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英语词源
- deficient
-
deficient: [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, deficit - deficient (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).
权威例句
- 1. a diet that is deficient in vitamin A
- 缺乏维生素A的饮食
- 2. A diet deficient in vitamin D may cause the disease rickets.
- 缺少维生素D的饮食可能导致软骨病.
- 3. An educational system which fails to teach basic arithmetic is seriously deficient.
- 一个沒教基础算术知识的教育体制是有严重缺陷的.
- 4. The milk is deficient in fat.
- 这牛奶脂肪含量不足.
- 5. The crops are suffering from deficient rain.
- 庄稼因雨量不足而遭受损害.
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