Group (U V W Y Z) - Spelling Practices

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(1) a. (cực tím) wave lengths shorter than light but longer than X rays
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(2) v. (nền tảng) be located under or below; be the support or basis of; account for
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(3) v. (nhấn mạnh) mark a line below, as words; underscore.
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(4) v. Syn. weaken(suy yếu) weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath
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(5) n. (thất nghiệp) not having a job; condition of being unemployed; state of being unused
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(6) v. Syn. utilize(sử dụng) make useful; find a practical use for; utilize
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(7) n. (hiệu lực) quality of having legal force or effectiveness
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(8) n. Syn. border; edge(sắp) extreme edge or margin; border; enclosing boundary; space enclosed by such a boundary
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(9) v. Syn. annoy; distress(vex) annoy; disturb, especially by minor irritations; be a mystery or bewildering to
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(10) ad. (qua) by the way of