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 4000 Duolingo (U - Z) - Spelling Practices
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n. 制服 consistent; standardized; clothing of a particular group


Spelling Word: uniform
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a. 无比的,空前的 without parallel, equal, or match; unequaled


Spelling Word: unparalleled
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a. 令人不满意的 not giving satisfaction;  inadequate


Spelling Word: unsatisfactory
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n. 教育,教养 process of bringing up, nourishing, or maintaining; rearing and training received during childhood


Spelling Word: upbringing
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v. 使升级,提升 raise to a higher grade or standard; advance


Spelling Word: upgrade
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a. 心烦意乱的 concerned by anxious uneasiness or trouble or grief


Spelling Word: upset
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n. 分歧,差异 an event that departs from expectations; permission to do something differently from the usual way


Spelling Word: variance
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a. 拱状的 having a hemispherical vault or dome


Spelling Word: vaulted
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n. 边界 extreme edge or margin; border; enclosing boundary; space enclosed by such a boundary


Spelling Word: verge
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ad. 相反,反之 used to state what you have just said is also true in the opposite order


Spelling Word: versa