4000 Duolingo (E F) - Spelling Practices

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(1) a. 有效的,生效的 efficient; productive; producing a strong impression or response

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(2) n. 电子 an elementary particle with the negative charge

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(3) n. 忍耐,持久(力) perseverance; state or fact of persevering; continuing existence

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(4) a. 奇怪的,不可预测的 no fixed or regular course; wandering

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(5) n. 伦理学,道德规范 morals; study of principles relating to right and wrong conduct

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(6) a. 永恒的,持久的,无止境的 continuing forever or indefinitely

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(7) a. 明显的 easily seen or understood; obvious; apparent; clear

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(8) v. 放逐 force separation from one's native country

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(10) a. 兴高采烈的 high spirited; joyously unrestrained; abundant; luxurious