1.What is that?
   What is that for?
   Why should I care?

2.sim-："with together"
ex: simultaneous, simulcast

e-：不可數
ex: enormous

3.motivation(過去)
   preparation(現在)
   anticipation(未來)

4.APA(American Philological Association) → social science

   MLA(Modern Language Association) → liberal arts

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1.benefit(n.)
money that is paid by a company (such as an insurance company) or by a government when someone dies, becomes sick, stops working, etc.
ex: A benefit of museum membership is that purchases are discounted.

2.obscene(adj.)
a. offensive in a sexual way
b. so unfair or immoral that you feel angry
ex: He was fined for making an obscene gesture at the umpire.

3.lucrative(adj.)
producing money or wealth
ex: The business has proved to be highly lucrative.

4.authorize(v.)
to give official permission for something to happen
ex: All overtime payments must be authorized by a senior member of staff.

5.criterion(n.)
a standard that is used for judging something or for making a decision about something
ex: Everyone whose qualifications meet our criteria will be considered.

6.dense(adj.)
having parts that are close together
ex: They cut a path through the dense jungle.

7.contaminated(adj.)
to make (something) dangerous, dirty, or impure by adding something harmful or undesirable to it
ex: Be careful not to allow bacteria to contaminate the wound.

8.boast(v.)
a statement in which you express too much pride in yourself or in something you have, have done, or are connected to in some way
ex: When he says he's the richest man in town, he's not just making an idle boast.

9.reputation(n.)
overall quality or character as seen or judged by people in general
ex: He has earned a reputation as a first-class playwright.

10.breach(n.)
a failure to do what is required by a law an agreement or a duty : failure to act in a required or promised way
ex: The judge ruled that the doctor's actions were in breach ofher contractual duty.

11.petition(n.)
a. a document signed by many people that asks someone in authority to do something
b. an official document in which you ask a court to take legal action
ex: More than 300 villagers have signed a petition against the building project.

12.concept(n.)
an idea of what something is or how it works
ex: She is familiar with basic concepts of psychology.

13.breed(v.)
to keep and take care of animals or plants in order to produce more animals or plants of a particular kind
ex: She believes that we are breeding a generation of children who know nothing about the history of their country.

14.moisture(n.)
definition- a small amount of water or another liquid in the air, on the surface of something, or in a substance.
ex: These flowers grow best with moisture and shade.

15.janitor (n.)
definition- someone whose job is to take care of a public building such as a hospital or school. The usual British word is caretaker.
ex: I got a job as the night janitor at the elementary schoo.

16.budget(n.)
an amount of money available for spending that is based on a plan for how it will be spent
ex: He's been trying to live on a budget of less than $1,500 a month.

17.commute(v.)
to travel regularly to and from a place and especially between where you live and where you work
ex: The judge commuted his death sentence to life imprisonment.

18.compatible(adj.)
able to exist together without trouble or conflict : going together well
ex: This printer is compatible with most PCs.

19.slaughter(n.)
the violent killing of a large number of people
ex: War always involves the slaughter of innocent civilians.

20.exaggerated(adj.)
a. describing something in a way that makes it seem better, worse, larger, more important etc than it really is
b. done in an extreme way that does not seem sincere or natural
ex: The book exaggerates the difficulties he faced in starting his career.

21.exceedingly(adv.)
a. extremely
b. an old word meaning "very much"
ex: Some of the children have done exceedingly well.

22.insulate(v.)
a. to cover something in order to prevent heat, cold, noise, or electricity from passing through it
b. to protect someone from unpleasant knowledge or harmful experiences
ex: The president was insulated from the pressure of public opinion.

23.conclude(v.)
to stop or finish : to come to an end : to end in a particular way or with a particular action
ex: The investigation has not yet concluded.

24.conduct(v.)
the way that a person behaves in a particular place or situation
ex: A panel investigated her conduct and she was subsequently fired.

25.guarantee(v.)
an assurance for the fulfillment of a condition
ex: The washer comes with a guarantee against major defects.