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 4000 Duolingo (E F) - Spelling Practices
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n. 迴聲,發出迴聲,重複 sound reflected from an opposing surface and repeated to the ear; repetition of a sound


Spelling Word: echo
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n. 效力 efficiency; quality of being effective


Spelling Word: effectiveness
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n. 電梯,起重機,活動穀倉 lifting device consisting of a platform or cage


Spelling Word: elevator
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n. 散發,發射 radiation; discharge; an act of emitting


Spelling Word: emission
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n. 全體,歌舞團,套裝 union of parts in a whole; a coordinated outfit or costume; a coordinated set of furniture


Spelling Word: ensemble
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v. 根除,杜絕 completely destroy; eliminate; exterminate


Spelling Word: eradicate
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n. 蒸發,消失 process of extracting moisture


Spelling Word: evaporation
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n. 出口 passage or way out; an act of going away or out


Spelling Word: exit
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n. 織物,布 cloth; stuff; artifact made by weaving or synthetic fibers; structure; framework


Spelling Word: fabric
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n. 獵鷹 birds of prey having long pointed powerful wings adapted for swift flight


Spelling Word: falcon