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act 词根ac,ag=do,drive 做，行动；推动
Something done or performed; a deed
A decisional product, such as a statute, decree, or enactment, delivered by a legislative or a judicial body
To behave or comport oneself
To play the part of; assume the dramatic role of
n. 行为，行动;法案, 法令;【戏】(常大写)幕;节目
vi. 行动; 扮演

counteract counter
to make ineffective or restrain or neutralize the usually ill effects of by means of an opposite force, action, or influence
vt. 对...起反作用;抵消；中和；阻碍

例句:
This drug will counteract the effects of poison.
这药能消解毒性。

enact
(law) to pass a law
(formal) to perform a play or act a part in a play:
vt. 颁布；制定法律；扮演

例句:
Several bills were enacted at the end of this session of Parliament.
几项法案在这届国会的会议结束时被颁布。
They enacted the roles of hero and heroine in the play.
他们在这出戏中担任男、女主角。

exact
correct in every detail; accurate
(of people) very accurate and careful about details
(of a science) using accurate measurements and following set rules
to demand and get sth from sb
To force the payment or yielding of; extort
adj. 准确的，精密的；精确的
v (工作、状况等)使成为必要，(迫切)需要，急需；强求；勒索钱财

例句:
The kidnappers exacted ransoms for their hostages.
绑匪勒索人质的赎金。
A hard piece of work exacts patience.
一件艰苦的工作需要耐心。

exacting
tryingly or unremittingly severe in making demands
requiring careful attention and precision
adj. 严格的；苛求的；吃力的

例句:
It was a day of exacting and tiring work.
这是工作得又苦又累的一天。

exactitude
the quality of being exact; exactness; preciseness; accuracy
n. 正确，精确；严格，规规矩矩

耶鲁公开课 - 文学理论导论课程节选
He's willing to sacrifice historical or cultural exactitude of meaning.
他愿意牺牲意义在历史上和文化上的精确性。

exigent
demanding a lot of attention from other people in a way that is unreasonable
an exigent situation is urgent, so that you must deal with it very quickly
adj. 苛求的;强求的;要求很高的，要求过多的;迫切的；紧急的;急需的

例句:
To explain the current tense physician-patient relationship is an exigent social problem.
解读目前紧张的医患关系是一个迫切的社会课题。

actuate
to incite or move to action; impel; motivate: actuated by selfish motives.
to put into action; start a process; turn on: to actuate a machine.
vt. 开动（机器等）；促使，驱使；激励（人等）

例句:
The pump is actuated by a belt driven by an electric motor.
这台抽水机由电动机皮带驱动。

litigate lit-las-lawsuit; ig=ag

Random House Webster's Unabridged Dictionary

to make the subject of a lawsuit; contest at law.
Archaic. to dispute (a point, assertion, etc.).
to carry on a lawsuit.
vt. 在法庭相争；提出诉讼
vi. 对簿法庭

例句:
She said no more energy and money to litigate.
她说再也没有精力和钱去打官司了。

brunch =breakfast+lunch fast 禁食;斋戒

lord=loaf+ward 统治者;领主,君主[Language: Old English; Origin: hlaford, from hlaf 'bread' + weard 'keeper']