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Vocabulary Study Online by Level
Vocabulary Study Online
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  Academic Words Level 4 - 3 - Spelling PracticesWord List   Previous   Next    
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a. [艰苦的,勤劳的] demanding much work or care; tedious


Spelling Word: laborious
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n. [营养不良] state of poor nutrition


Spelling Word: malnutrition
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n. [狂热] craze; madness; an irrational but irresistible motive for a belief or action


Spelling Word: mania
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a. [无数,非常多] of a very large or indefinite number; of ten thousand


Spelling Word: myriad
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n. [公证人] one who records what is said or done; one legally empowered to witness signatures and certify a document's validity


Spelling Word: notary
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n. [符号,记号] technical system of symbols used to represent special things; comment or instruction


Spelling Word: notation
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a. [有威胁的,恶兆的] threatening; foreshadowing evil or tragic developments


Spelling Word: ominous
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a. [视觉的,光学的] of or relating to or involving light or optics


Spelling Word: optical
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n. [矿石] a mineral that contains metal that is valuable enough to be mined


Spelling Word: ore
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a. [明显的,公然的] open to view; not secret or hidden


Spelling Word: overt