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 4000 Duolingo (U - Z) - Spelling Practices
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a. 非传统的 not conforming to accepted rules or standards


Spelling Word: unconventional
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v. 打开,显露 extend or stretch out to a greater or the full length; happen


Spelling Word: unfold
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n. 宇宙 cosmos; everything that exists anywhere


Spelling Word: universe
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v. 催促,力劝,恳求 force in an indicated direction; stimulate or prompt action


Spelling Word: urge
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a. 完全的,绝对的,完整的 complete; absolute; entire


Spelling Word: utter
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a. 空的,未被占用的 void of thought or knowledge; without an occupant or incumbent


Spelling Word: vacant
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v. 消失,灭绝 disappear; pass out of sight, especially quickly; die out


Spelling Word: vanish
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n. 水汽,水蒸气 gas; steam; barely visible or cloudy diffused matter, such as mist or smoke


Spelling Word: vapor
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n. 素食者 someone who doesn't eat meat or fish usually for religious or moral reasons


Spelling Word: vegetarian
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n. 空白,空虚 emptiness; containing nothing; clear or empty a place


Spelling Word: void