Group (U V W Y Z) - Spelling Practices

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(1) a. Syn. unendurable; intolerable(无法忍受的,承受不住的) unendurable; so unpleasant, distasteful, or painful as to be intolerable
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(2) a. Syn. submarine; submerged(在水下的,在水中的) submarine; beneath the surface of the water
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(3) n. Syn. disturbance; outburst(剧变) violent disturbance; sudden, violent disruption or upset
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(4) n. (都市化,文雅化) social process whereby cities grow and societies become more urban
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(5) v. (使都市化,使文雅) make more industrial or city-like
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(6) a. Syn. practical; useful(功利的,实利的) practical and functional, not just for show
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(7) n. (血管,静脉,木纹,矿脉,岩脉) blood vessel that carries blood
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(8) a. Syn. poisonous; noxious(有毒的) poisonous; secreting and transmitting venom; marked by deep ill will; deliberately harmful
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(9) a. Syn. upright; perpendicular(垂直的,竖直的) upright in position or posture; oriented vertically
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(10) a. (病毒的) relating to or caused by a virus