Group (U V W Y Z) - Spelling Practices

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(1) a. (紫外线的) wave lengths shorter than light but longer than X rays
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(2) v. Syn. undervalue(低估,看轻) make too low an estimate of the quantity; undervalue
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(3) n. ((尚未取得学位的)大学生) university student who has not yet received a first degree
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(4) a. (未失真的) without alteration or misrepresentation
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(5) ad. Syn. unquestionably; indubitably(毋庸置疑地,确凿地) unquestionably; without doubt; certainly
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(6) n. (失业) not having a job; condition of being unemployed; state of being unused
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(9) a. Syn. improbable(不一定的,未必有的) improbable; has little chance of being the case or coming about
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(10) n. (都市化,文雅化) social process whereby cities grow and societies become more urban