Group (U V W Y Z) - Spelling Practices

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(1) a. Syn. subterranean; buried(地下的,地面下的) under the level of the ground; buried
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(2) ad. Syn. unquestionably; indubitably(毋庸置疑地,确凿地) unquestionably; without doubt; certainly
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(3) a. Syn. unequaled; unparalleled; peerless(无可匹敌的) without equal or rival; unparalleled; peerless
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(4) v. Syn. disentangle; solve(拆开,解决) undo or ravel knitted fabric of; separate and clarify; solve
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(5) a. Syn. unchecked; free(无限制的) unchecked; free; marked by uncontrolled excitement or emotion
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(6) a. (机警的,警惕的) attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect; wary
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(7) n. Syn. sight(视觉) ability to see; sight; vivid mental image
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(8) a. Syn. bright; lively((光线,色彩)鲜艳的,强烈的) bright; lively; graphic; having striking color
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(9) n. (火山) fissure in the earth's crust through which molten lava and gases erupt
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(10) a. (无教养的,平常的,粗俗的) common and coarse; relating to the common people with less cultivated or educated; lacking cultivation or refinement