definition
give examples
fill in the blanks
mixed
mixed again
100
what is entity?
something that exists by itself
（实体，存在，本质）
100
give an example of soneone being very empirical
chosing dinner based on previous experience on a restaurant
100
It is { }on all decent people to concentrate on destroying this evil.
incumbent
holding office or position
(现任的，负有责任的）
100
give an example of hierachy
a system, especialy in a society or an organization, in which people are organized into different levels of importance from highest to lowest.
（等级制度）
100
give an example of a locus
a diagram showing how many products a factory manufactured
200
what is dissertation?
a long piece of writing about a particular subject
(论文，学术演讲）
200
how do you feel when you are in a dilemma?
very uncomfortable because you are in a very difficult situation when you are in dilemma
200
There is a social { } that exists.
gradient
the degree to which the ground slopes, especially on a road or railway
（倾斜度）
200
how do someone feel when they feel equilibrium
they feel peace and calm
200
give an example of something that is lexical
a vocabulary book
300
what is dilute？
to make a liquid thinner or less atrong by adding water or another liquid
(冲淡，稀释）
300
give an example of a denominator
a common trait between you and yourb friends
300
We are working to bring about closer political { } in the EU.
integration
the act or process or an instance of integrating
(整合，一体化）
300
give an example of a forum
a group of people talking about gaming software
300
what is something that is integral for a person?
money,love,freedom,etc
400
what is delta?
a piece of land shaped like a triangle that is formed when a river splits into smaller rivers before it flows into an ocean
(三角洲）
400
give an example of dissection
when you cut a marlin fish apart, you are dissecting it
400
Little is known about the { } of the new virus.
epidemiology
the study of how diseases spread and can be controlled
(传染病学，流行病学）
400
what is fetal?
relating to a developing animal or human that is not born yet
(胎儿的）
400
what is lateral?
toward, on, or coming from the side
（侧面的，横向的）
500
what is enzyme?
a chemical substance in animals and plants that helps to case natural processes
(生化 酶）
500
give an example of something being epidemic
a disease can be epidemic when it infects lots of people
500
Quartz consists of a silicon { } and four oxygen ions.
ion
an atom that has a positive or negative electric charge from losing or gaining one or more electrons
（离子）
500
what is hepatitis?
a serious disease of the liver
（肝炎）
500
The police are { } for the citizens' safety.
liable
legally responsible for something; likely to be affected or harmed by something
(有义务的)