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 4000 Duolingo (E F) - Spelling Practices
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a. 有效的,生效的 efficient; productive; producing a strong impression or response


Spelling Word: effective
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n. 电子 an elementary particle with the negative charge


Spelling Word: electron
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n. 忍耐,持久(力) perseverance; state or fact of persevering; continuing existence


Spelling Word: endurance
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a. 奇怪的,不可预测的 no fixed or regular course; wandering


Spelling Word: erratic
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n. 伦理学,道德规范 morals; study of principles relating to right and wrong conduct


Spelling Word: ethics
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a. 永恒的,持久的,无止境的 continuing forever or indefinitely


Spelling Word: everlasting
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a. 明显的 easily seen or understood; obvious; apparent; clear


Spelling Word: evident
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v. 放逐 force separation from one's native country


Spelling Word: exile
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a. 特别的,非凡的 exceptional; remarkable; beyond what is ordinary or usual


Spelling Word: extraordinary
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a. 兴高采烈的 high spirited; joyously unrestrained; abundant; luxurious


Spelling Word: exuberant