GRE

negligent - a. 疏忽的,粗心的,不在意的;

nausea - n. 反胃,晕船,极度的不快;

nauseate - v. 作呕,产生恶感,厌恶;

naysay - n. 拒绝,否认 vt. 拒绝,否认

naysayer - One who denies, refuses, opposes, or is skeptical or cynical about something

nebulous - a. 星云的,星云状的,朦胧的; :: indistinct vague

needy - a. 贫穷的,贫困的,生活艰苦的; :: poverty-stricken

nefarious - adj.凶恶的；不法的 :: evil

negate - v. 否定,否认,打消;

negative - n. 否定,否定语,负数; a. 否定的,消极的,负的;

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