【正文】 n. something that one has done or lived through (The experience caused her great pain.) to send away expel v. to force out。 expect v. to think or believe that something will happen。 expand v. to make larger。 exist v. to be。 to expel。 exercise n. an activity or effort for the purpose of improving the body or to stay in good health n. a reason (sometimes false) for an action to pardon。 to give or receive one thing for another except prep. but for example n. a part that shows what the rest of a thing or group is like correct in every detail extremely bad a reason for believing all ever ad. at any time even ad. in a way not thought possible (They survived, even though the building was destroyed.) ethnic ad. of or concerning people belonging to a large group because of their race, religion, language, tribe or where their ancestors lived to create especially ad. more than others (We liked the food, especially the fish.) to get away from。 equipment n. things, tools or machines needed for a purpose or activity equal ad. the same in amount, size, weight or value。 environment n. all surrounding things, conditions and influences that affect life。 pro. the amount needed enjoy v. to be pleased or satisfied by something engine n. a machine that uses energy to cause movement or to do work the ability and willingness to be active a person or people of the other side in a war n. the part which es last end v. to stop。 empty ad. having nothing inside。 emotion n. a strong feeling such as love, hate, fear or sadness embassy n. the offices of an ambassador and his or her assistants elect v. to choose by voting a single cell in a female person or animal that can develop into a baby the work necessary to do something effect n. the result or change caused by something (The storm had a serious effect on the economy.) edge n. the line where something ends or begins ecology n. the scientific study of the environment and links among living and material things not hard to do east n. the direction from which the sun rises ease v. to reduce。 earthquake n. a sudden, violent shaking of the earth39。 earth n. the planet we all live on。 opposite late each ad. every one by itselfs job or responsibility。 dust n. pieces of matter so small that they can float in the air during ad. through the whole time。 dry ad. not wet。 drug n. anything used as a medicine or in making medicine。 to go lower drive v. to control a moving vehicle a happy idea about the future dream v. to have a picture or story in the mind during sleep。 down ad. from higher to lower。 dollar n. United States money, one hundred cents document n. an official piece of paper with facts written on it, used as proof or support of something to make an effort divide v. to separate into two or more parts distance n. the amount of space between two places or objects (The distance from my house to your house is two kilometers.) n. an angry debate to refuse to consider disease n. a sickness in living things, often caused by viruses, germs or bacteria discuss v. to talk about。 to make a bomb harmless by removing its exploding device disarm v. to take away weapons。 disappear v. to bee unseen。 where someone or something came from or went to not through some other person or thing (The path is direct.) to aim or show the way (He directed me to the theater.)。 diplomat n. a person who represents his or her government in dealing with another government dinner n. the main amount of food eaten at a usual time (The family had its dinner at noon.)。 hard to do, make or carry out different ad. not the same to end die v. to bee dead。 device n. a piece of equipment made for a special purpose to create。 a small piece of information to end the existence of to wish for design v. to plan or create plans for to give details of something a period of reduced business and economic activity during which many people lose their jobs deploy v. to move forces or weapons into positions for action deplore v. to regret strongly。 to refuse a request to criticize severely to explain by using examples (The teacher demonstrated the idea with an experiment.) democracy n. the system of government in which citizens vote to choose leaders or to make other important decisions demand v. to ask by ordering。 delegate n. one sent to act for another。 to postpone。 degree n. a measure of temperature define v. to give the meaning of。 to protect the condition of having lost defeat v. to cause to lose in a battle or struggle。 deep ad. going far down。 to make a statement to judge decide v. to choose。 debt n. something that is owed。 debate v. to argue for or against something。 deal v. to have to do with (The talks will deal with the problem of pollution.)。 dead ad. not living day n. twentyfour hours。 daughter n. a person39。 date n. an expression of time。 danger n. a strong chance of suffering injury, damage or loss dance v. to move the body and feet to music。 n. harm。 dam n. a wall built across a river to hold back flowing water to make less。 customs n. taxes on imports ad. belonging to the present time (She found the report in a current publication.) curfew n. an order to people to stay off the streets or to close their businesses to make well (The doctor can cure the disease.)。 culture n. all the beliefs, traditions and arts of a group or population to defeat pletely crowd n. a large number of people gathered in one place cross v. to go from one side to another。 to judge criticize v. to say what is wrong with something or someone。 crisis n. an extremely important time when something may bee much better or wo