metaphysical adj. 形而上学的，玄学的(of metaphysics)
[记]词根记忆：meta(变化，超过)+physic(看作是physics物理)+al→在物理之上的→形而上学的，玄学的
meteoric adj. 流星的(relating to a meteor);昙花一现的(transient;swift)
[记]来自meteor(流星，陨石)+ic
methodical adj. 细心的，有条不紊的(habitually proceeding according to method)
meticulous adj. 细心的，一丝不苟的(taking extreme care about minute details;precise)
[记]词根记忆：metic(害怕的)+ulous(多…的)→经常害怕的→细心的
[例]MacDougall’s former editors remember him as a cantankerous man whose meticulous and exhaustive reporting was worth the trouble.
[同]conscientious, fussy, heedful, punctilious, scrupulous
mettlesome adj. 精神抖擞的(spirited;courageous)
[记]mettle(勇气，斗志)+some→有斗志
milieu n. 周围，环境，背景(the physical or social setting in which something occurs or develops)
[例]The late James Beard was generous with his time and knowledge-a rare trait in the narrow world of food writing, a milieu notorious for its pettiness and infighting.
mimic v. 模仿，戏弄(to imitate or copy playfully or derisively)
[记]分拆联想：mimi(音似：秘密)+c→偷偷摸摸地模仿
以上就是新版GRE红宝书缺失词汇，大家在备考GRE词汇的时候，注意将单词背诵与单词运用相结合，这样不仅能更有效的记住单词，还能提高考生的英语应用水平，将单词真正转化为GRE成绩。