构词：pro (forward) + life + ic (a)
prolixity
N. tedious wordiness; verbosity.
A writer who suffers from prolixity tells his readers everything they never wanted to know about his subject (or were too bored to ask).
prolix, ADJ.
构词：pro (forward) + lix (long) + ty (n)
prologue
N. introduction (to a poem or play).
In the prologue to Romeo and Juliet, Shakespeare introduces the audience to the feud between the Montagues and the Capulets.
构词：pro (forward) + logue (speech)
prolong
v. extend; draw out; lengthen.
In their determination to discover ways to prolong human life, doctors fail to take into account that longer lives are not always happier ones.
构词：pro (forward) + long
promulgate
v. proclaim a doctrine or law; make known by official publication.
When Moses came down from the mountaintop prepared to promulgate God’s commandments, he was appalled to discover his followers worshipping a golden calf.
构词：pro (forward) + mulg (mass) + ate (v)
prone
ADJ. inclined to; prostrate.
She was prone to sudden fits of anger during which she would lie prone on the floor, screaming and kicking her heels.
propagate
v. multiply; spread.
Since bacteria propagate more quickly in unsanitary environments, it is important to keep hospital rooms clean.
构词：pro (forward) + page + (spread) + ate (v)
prophylactic
=guard beforehand
ADJ. used to prevent disease.
Despite all prophylactic measures introduced by the authorities, the epidemic raged until cool weather set in.
prophylaxis, N.
构词：pro (forward) + phylact (guard) + ic (a)
propinquity
N. nearness; kinship.
Their relationship could not be explained as being based on mere propinquity: they were more than relatives; they were true friends.
构词：pro (forward) + pinqu (near) + ty (n)
propitiate
v. appease.
The natives offered sacrifices to propitiate the gods.
构词：pro (forward) + piti (pity) + ate (v)
propitious
ADJ. favorable; fortunate; advantageous.
Chloe consulted her horoscope to see whether Tuesday would be a propitious day to dump her boyfriend.
同上
proscenium
N. part of stage in front of curtain.
In the theater-in-the-round there can be no proscenium or proscenium arch. also ADJ.
构词：pro (forward) + scene + ium (n)
prosperity
N. good fortune; financial success; physical well-being.
Promising to stay together “for richer, for poorer,” the newlyweds vowed to be true to one another in prosperity and hardship alike.
构词：pro (forward) + sper (spring) + ty (n)
prostrat
e
v. stretch out full on ground.
He prostrated himself before the idol. also ADJ.
构词：pro (forward) + strate (stretch)
protuberance
N. protrusion; bulge.
A ganglionic cyst is a fluid-filled tumor (generally benign) that develops near a joint membrane or tendon sheath, and that bulges beneath the skin, forming a protuberance.
构词：pro (forward) + tube r (tumor 瘤) + ance (n)
pri, prime, prist, proto=first
primordial
ADJ. existing at the beginning (of time); rudimentary.
The Neanderthal Man is one of our primordial ancestors.
构词：prime + order + al (a)
pristine
ADJ. characteristic of earlier times; primitive, unspoiled.
This area has been preserved in all its pristine wildness.
构词：prist (first) + ine (a)
prototype
N. original work used as a model by others.
The crude typewriter on display in this museum is the prototype of the elaborate machines in use today.
构词：proto (first) + type
protocol
N. diplomatic etiquette.
We must run this state dinner according to protocol if we are to avoid offending any of our guests.
构词：proto (first) + copy
re=back
recalcitrant
ADJ. obstinately stubborn; determined to resist authority; unruly.
Which animal do you think is more recalcitrant, a pig or a mule?
构词：re (back) + calciter (heel—kick) + ant (a)
recuperate
v. recover.
The doctors were worried because the patient did not recuperate as rapidly as they had expected.
构词：re (back) + cuper (hand—take) + ate (v)
repartee
N. clever reply.
He was famous for his witty repartee and his sarcasm.
构词：re (back) + part (depart) + ee (n)
GRE，全称Graduate Record Examination，中文名称为美国研究生入学考试，适用于除法律与商业外的各专业。由美国教育考试服务处(Educational Testing Service，简称ETS)主办，GRE是美国、加拿大的大学各类研究生院（除管理类学院，法学院）要求申请者所必须具备的一个考试成绩，也是教授对申请者是否授予奖学金所依据的最重要的标准。 另有，Generic Routing Encapsulation（通用路由封装）也简称GRE。
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