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 4000 CAE (N O) - Spelling Practices
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v. 唠叨,烦扰 annoy by constant scolding, complaining, or urging


Spelling Word: nag
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n. 自我陶醉的人,逞能的人 conceited person; someone in love with himself or herself; person full of egoism and pride


Spelling Word: narcissist
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n. 中子 an elementary particle with 0 charges and mass about equal to a proton


Spelling Word: neutron
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n. 新奇 quality of being novel; newness; something new and unusual


Spelling Word: novelty
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a. 无效的,无价值的,等于零的 invalid; void; nullified; having no legal force; invalid


Spelling Word: null
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a. 营养的,滋养的 healthy; nourishing;  providing nutrition


Spelling Word: nutritional
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n. 肥胖 state of being obese due to an excess of body fat


Spelling Word: obesity
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n. 义务,职责 act of binding oneself by a social, legal, or moral tie; written promise to repay a debt


Spelling Word: obligation
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n. 障碍 one that opposes stands in the way of or holds up progress


Spelling Word: obstacle
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ad. 草率的,即席的,未经考虑的 without planning or thinking ahead; right away; immediately


Spelling Word: offhand