Academic Words Level 2 - 2 - Spelling Practices

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(1) n. [密度] thickness; the quantity of something per unit measure, especially per unit length, area, or volume

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(2) a. [損失慘重的,悲傷的] extremely bad; terrible; dreadful

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(3) n. [文件的,紀錄片] film or TV program presenting the facts about a person or event; of or derived from documents

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(4) n. [染色] a substance used to color materials

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(5) a. [有效的,生效的] efficient; productive; producing a strong impression or response

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(6) n. [效率,功效] effectiveness; quality or property of being efficient; the ratio of useful output to the total input in any system

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(7) a. [空的,空洞的,空虛的] containing nothing; not holding or having anything within; void of contents or appropriate contents

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(8) n. [開發,開採] unfair use of someone's work, giving little in return

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(10) a. [流行的,時髦的,上流社會的] conforming to the current style; being or in accordance with current fashion