考研必备：考研写作1500词(2)

　　after - ad. later; behind

　　again - ad. another time; as before

　　against - ad. opposed to; not agreeing with something

　　age - n. how old a person or thing is

　　agency - n. an organization that is part of a larger group

　　aggression - n. an attack against a person or country; the violation of a countrys borders

　　ago - ad. of time past; before now

　　agree - v. to have the same belief as someone; to be willing to do something

　　agriculture - n. farming

　　aid - v. to help; to support; n. help, assistance

　　aim - v. to point a gun at; n. a goal or purpose

　　air - n. the mixture of gases around the earth, mostly nitrogen and oxygen, that we breathe

　　air force - n. a military organization using airplanes

　　airplane - n. a vehicle with wings that flies

　　airport - n. a place where airplanes take off and land

　　album- n. a collection of recorded music

　　alcohol- n. a strong, colorless liquid, usually made from grain, used as a drug or in industrial products

　　alive - ad. having life; not dead

　　all - ad. everything; everyone; the complete amount

　　ally - n. a nation or person joined with another for a special purpose