maintenance n.保养
massive a.大量的;大而重的
mask v.掩饰
mature a.成熟的
moderate a.适度的～ physical exercises
motivate v..激励
magnify v.放大，扩大>～ the photo
manifest v.显示，表明The illness ～s itself with a high fever.
marginal a.微小的
masculine a.男性的
mediate v.调解 He ～d in a salary dispute between the union and the management.
merge a.合并
migrate v.迁徙;移居> Birds migrate with seasons
mingle v 混合
mobilize v.动员
N
na?ve a.天真的=innocent
negligible a.可以忽略不计的 the ～ cost
norm n.标准 reach the ～
notable a.著名的
notorious a.臭名昭著的 If one has a scandal， he becomes ～
nourish v.养育
O
obedient a.顺从的
odor n.气味
offset v.抵消=compensate for
orient v.使适应～ oneself to
overwhelm v.(感情上)使受不了;压倒>be ～edwith sadness/～ majority
P
punctual a.守时的>He is a ～ man.
propel v.推动
pledge n.保证
perceive v.感知
prevail over v .胜过
prime n.壮年 He died in the ～ of his life.
priority n.优先权 give ～ to
prominent a.突出的，杰出的=distinguished
prone to a.易于
prosperity n.繁荣
paradox n.自相矛盾=contradiction，正确的
participant n.参加者
patent n.专利
patriotic a.爱国的
pave v.铺路～ the way for women’s Lib
permeate v.弥漫;渗透
perpetual a.永久的
pertinent a.有关的
skills ～ to the profession
plead v.恳求;(法庭)申诉
ponder v.思考 She ～ed his marriage proposal for a week.
portray v.描绘=describe/depict
precede v.先于
precedent n.先例
preclude n.阻止(from)
predecessor n.前任
prompt a.迅速的
predominant a.主导的
premise n.前提>your ～ is wrong.
prescription n.处方
prestige n.威望> enjoy high ～
prevalent a.流行的
prey n.捕获物
probe v.探究>～ a matter to the bottom
proficiency n.熟练
profound a.深刻的;深奥的
prolong v.延长
prospective a.预期的，未来的
provocative a.挑衅的