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 Group (U V W Y Z) - Spelling Practices
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n.
(最后通牒) last offer; final statement of terms made by one party to another


Spelling Word: ultimatum
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a.
(未施肥的,未受精的) not having been fertilized; made for no more suitable for growth


Spelling Word: unfertilized
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a. Syn. unequaled; unparalleled; peerless
(无可匹敌的) without equal or rival; unparalleled; peerless


Spelling Word: unmatched
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n.
(都市化,文雅化) social process whereby cities grow and societies become more urban


Spelling Word: urbanization
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n.
(活门,阀) device or structure for controlling the flow of a fluid


Spelling Word: valve
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n. Syn. cover; hide
(隐藏,遮蔽,面纱) a length of cloth worn by women over the head, shoulders, and often the face; cover; hide


Spelling Word: veil
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n. Syn. place; locality
(地点,会场,任何事件的场所) scene of any event or action; locality where a crime is committed or a cause of action occurs


Spelling Word: venue
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a. Syn. feasible; practicable
(能养活的,可行的) practical or workable; capable of maintaining life; capable of continuing effectiveness


Spelling Word: viable
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n. Syn. watchfulness; alertness; caution
(警惕) watchfulness; wakefulness; process of paying close and continuous attention


Spelling Word: vigilance
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a. Syn. changeable; explosive; fickle
(挥发的,飞行的,可变的,爆炸的) tending to vary often or widely, as in price; inconstant or fickle; tending to violence


Spelling Word: volatile