affected
adj. not natural; pretended 做作的
n. affectation
Randolf used an affected French accent to try to impress the people at the party, but only succeeded in annoying them.
蓝道夫说法文时强调十分做作，本想在宴会中引起大家的注意，但却令人十分讨厌。
Synonym
同义词：artificial; assumed; feigned
Antonym
反义词：genuine
affirmation
n. assertion 断言；肯定
v. affirm
Her affirmation of guilt in the robbery was in exchange for leniency by the judge.
她坦承犯了抢劫罪，以换取法官的从宽量刑。
* leniency
宽大
Synonym
同义词：declaration; confirmation
affluence
n. wealth; abundance 富裕；丰富
adj. affluent
Wealthy people often show off their affluence by driving expensive cars.
有钱人经常开名贵的车炫耀他们的财富。
Synonym
同义词：opulence; profusion
coniferous
adj. bearing cones, as pine trees 松柏科的；结球果的
Many coniferous trees are also evergreens and therefore do not lost their leaves in winter.
许多松柏科的树木也是常青树，因此冬天不会落叶。
deference
n. compliance; respect 服从；尊重
In the United States, deference to one's elders is often ignored.
在美国，对于长辈的尊重常常会被忽略。
Synonym
同义词：submission; yielding; reverence
Antonym
反义词：disobedience; contempt
diffidence
n. shyness 羞怯；谦虚
Kim's innate diffidence kept her from boasting about her amazing scientific discoveries.
金生性害羞，不会吹嘘自己在科学方面惊人的发现。
* innate
天生的
Antonym
反义词：confidence
diffusion
n. spreading in every direction 散布；普及
v. diffuse
In the historic past, the diffusion of ancient Chinese culture in Asia spread far beyond the boundaries of the Middle Kingdom.
从前，中国文化在亚洲传播的范围远超过中央王国的疆界。
* the Middle Kingdom
中国
Synonym
同义词：scattering; dispersion
efficacy
n. effectiveness 功效
adj. efficacious
The efficacy of the new drug was questioned when several patients died after treatment using the medication.
当好几位病人在接受新药的治疗而死亡之后，其药效就受到质疑。
* medication
药物
Synonym
同义词：efficiency; potency
effusive
adj. pouring out feelings 感情洋溢的
We were embarrassed by his effusive display of emotion during the performance of Shakespeare's King Lear.
莎士比亚剧作「李尔王」的演出时，他表露出了激动的情绪，令我们觉得很困窘。
Synonym
同义词：demonstrative; gushing
Antonym
反义词：reserved
fallacious
adj. misleading; faulty 使人误解的；谬误的
The scientist's fallacious theories were widely believed because of his fame and influence.
由于这位科学家极富盛名又有影响力，所以他错误的理论仍被大家所相信。
falsify
v. to lie 伪造；说谎
To avoid a lawsuit, several documents were falsified by the company's accountant with the assistance of his lawyer.
为了避免一场官司，这家公司的会计伙同律师伪造了几份文件。
feasible
adj. that can be done 可实行的
n. feasibility
Although the plan sounded brilliant, it was not feasible because the city could not afford it.
虽然这计划听起来很棒，但确实行不通的，因为这城市根本就负担不起。
Synonym
同义词：practicable
fidelity
n. faithfulness 忠诚
Many soldiers' lives were saved because of the fidelity of their fellow soldiers.
许多士兵的生命获救，都是因为由忠诚的战友。
Synonym
同义词：loyalty;devotion
Antonym
反义词：faithlessness; perfidy
fluctuation
n. changing frequently 变动
v. fluctuate
Although many people panicked at the devaluation of the dollar, economists knew the fluctuation in foreign exchange rates was normal.
虽然许多人因为美元的贬值而感到十分恐慌，但经济学家却认为这种汇率的波动是正常的现象。
* panic
恐慌
* devaluation
贬值
Synonym
同义词：alteration; vacillation; oscillation
fracture
n. crack; break 裂缝；骨折
v. fracture
The X-ray showed two serious fractures in Anna's femur resulting from her skiing accident.
X光片显示，安娜的大腿骨有两处因滑雪意外而产生的严重骨折。
* femur
大腿骨
Synonym
同义词：fissure; rupture
infallible
adj. not prone to error; perfect 绝无谬误的；完美的
Despite the emperor's claims of divinity, no human being can ever be infallible.
虽然这位皇帝宣称自己具有神性，但没有人是完美的。
Synonym
同义词：faultless; impeccable
Antonym
反义词：errant; fallible
infer
v. to conclude 推论
n. inference
After hearing the president's speech, people inferred that taxes would soon be raised even higher.
在听了总统的演说之后，人们推论税率会调涨得更高。
Synonym
同义词：deduce
infirmary
n. hospital 医院
The university infirmary was full of students suffering from strange symptoms, from ringing ears to hearing strange voices.
这所大学的附设医院挤满了许多罹患奇怪病症的学生，其症状包括耳鸣、听见奇怪的声音等等。
Synonym
同义词：clinic
infirmity
n. weakness 弱点；虚弱
adj. infirm
As time went by, Grandfather's infirmity prevented him from going out of the house very often.
随着时间的过去，祖父身体日渐虚弱，无法经常出门。
Synonym
同义词：feebleness; frailty
influx
n. flowing into 流入
A sudden influx of families moving into town created overcrowding problems at the school.
突然有许多家庭搬到城里，使学校产生过度拥挤的问题。
Synonym
同义词：inflow; incursion
Antonym
反义词：outflow; exodus
infraction
n. breaking of a rule, law, etc. 违反
Cheating on a test is a serious infraction at this school and will result in a three-day suspension.
考试作弊是严重违反校规的行为，会被停学三天。
* suspension
停学
Synonym
同义词：offense; violation
perfidious
adj. faithless; disloyal 不忠的
n. perfidy
A perfidious employee sold company secrets to a competitor, leading to the company's ultimate bankruptcy.
一个不消的职员将公司的机密卖给竞争的对手，最后使公司破产。
profusion
n. 1. abundance 丰富 2. extravagance 挥霍
adj. profuse
The banquet after the wedding featured a profusion of food and drink.
婚礼后的宴会，最大的特色就是食物和饮料十分丰富。
* feature
以……为特色
Synonym
同义词：1. plenitude 2. lavishness
suffuse
v. to spread over 布满；充满
n. suffusion
The dawn slowly suffused the room with an orange glow that transformed the frightening shadows of the night into rays of sunlight.
黎明渐渐地使房间布满了橙色的光辉，将可怕的黑夜阴影转变成太阳的光芒。
Synonym
同义词：pervade
superfluity
n. greater amount than is needed 多余；过剩
John bought a superfluity of food for the party; more than anyone could have eaten.
约翰为宴会所准备的食物太多了，大家都吃不完。
Synonym
同义词：excess; overabundance; surplus