| 单词 | effective |
| 释义 | effective adj. & n. --adj 1. having a definite or desired effect. 2. powerful in effect; impressive. 3. a actual; existing in fact rather than officially or theoretically (took effective control in their absence). b actually usable; realizable; equivalent in its effect (effective money; effective demand). 4. coming into operation (effective as from 1 May). 5. (of manpower) fit for work or service. --n a soldier available for service. Derivatives effectively adv. effectiveness n. Etymology: ME f. L effectivus (as EFFECT) |
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