【innocent】(1) not guilty of a crime; (2) not responsible for a bad action.
* The court found that she was innocent of all charges. (1)
法庭判决她无罪，全部指控均不成立。
* The woman said her innocent dog never bit anyone. (2)
那位妇女说她的天真的狗不会咬任何人。
【insane】mentally sick.
* How does your country treat insane people?
你们国家如何治疗患精神病的人？
【insect】a very small creature, usually with many legs and sometimes with wings.
* Flying insects attacked them as soon as they went into the forest.
他们刚走进森林，就遭到飞虫的袭击。
【inspect】(1) to look at something carefully; (2) to examine, especially by an expert.
* He inspected his fingers for dirt. (1)
他检查自己的手指看看有没有污垢。
* The policeman inspected her car for damage. (2)
警察察看了她的车子的损坏情况。
【instead】(1) in the place of; (2) taking the place of.
* She chose you instead of me. (1)
她选择了你而不是我。
instead of：(用…)代替…，(是…)而不是…，(用…)而不用…
* He planned to go to a movie but decided to stay home instead. (2)
他计划去看电影，但决定还是留在家里。
【instrument】a tool or device designed to do something or to make something.
* The spacecraft carried instruments to examine the surface of Mars.
宇宙飞船运载了检测火星表面的的仪器。
【insult】to say something or to do something that makes another person angry or dishonored.
* He insulted her by arriving very late at her party.
他以很迟才到场参加她举办的聚会来羞辱她。
【intelligence】(1) the ability to think or learn; (2) information gathered by spying.
* The research project required scientists with great intelligence. (1)
这个科研目需要有高智力的科学家。
* The agency collected much intelligence about planned terrorist attacks. (2)
这家机构收集了许多有关恐怖袭击计划的情报。
【intelligent】quick to understand or learn.
* The boy was so intelligent that he began university studies at the age of twelve.
那个男孩子很聪明，十二岁时就开始读大学了。
【intense】(1) very strong; (2) extremely serious.
* Security was intense during the President's visit. (1)
总统访问期间保安非常严密。
* Learning the language required intense study. (2)
学习语言需要非常认真的研究。
【interest】(1)&(2) what is important to someone; (3) a share in owning a business; (4) money paid for the use of money borrowed.
* He acted to protect his interests. (1)
他行动起来保护自己的利益。
* She had a great interest in painting. (2)
她对绘画有很大兴趣。
interest in：对…有兴趣
* My father holds an interest in several businesses. (3)
我父亲在几家公司都有股权。
* The bank approved his loan, but it wanted him to pay 15 percent in interest each year. (4)
银行批准了他的贷款，但是要求他每年付15%的利息。
【interfere】(1) to get in the way of; (2) to work against; (3) to take part in the activities of others, especially when not asked to do so.
* He did not win the race because another boat interfered by turning in front of his boat. (1)
他没赢得比赛，因为另一艘船在他的船的前面转向，干扰了他。
* The snowstorm interfered with our plans to climb the mountain. (2)
暴风雪妨碍了我们的登山计划。
* Joanne asked her father not to interfere in her dispute with Bryan. (3)
乔安尼求她父亲不要插手她与布莱恩的争吵。
interfere in：干涉，干预
【international】(1) of or about more than one nation or many nations; (2) of the whole world.
* The international conference of South American leaders has opened in Quito. (1)
南美洲国家领导人的国际会议在基多（厄瓜多尔首都）召开。
* The information is in the report on international trade. (2)
这则消息在那份国际贸易报告中。
international trade：国际贸易
【intervene】(1) to come between; (2) to come between in order to settle or solve.
* The police intervened before any shots were fired. (1)
警察在所有的子弹发射之前介入。
* The President urged the United Nations to intervene in the border dispute. (2)
总统敦促联合国调停边界争端。
intervene in：插手，干预，调停
【invade】to enter an area or country by force with an army.
* Allied forces in England invaded the Normandy area of France in 1944.
英国盟军在1944年进攻法国诺曼底地区。
allied forces：盟军，联军
【invent】(1) to plan and make something never made before; (2) to create a new thing or way of doing something.
* Did Henry Ford invent the automobile? (1)
亨利•福特发明了汽车吗？
* Did Henry Ford invent a new way to build cars? (2)
亨利•福特发明了制造汽车的新方法吗？
【invest】to give money to a business or organization with the hope of making more money.
* George asked his friends to invest in his new oil company.
乔治请朋友们到他的新石油公司投资。
【investigate】(1) to study or examine all information about an event, situation or charge; (2) to search for the truth.
* Civil rights leaders asked the federal government to investigate voting problems in some parts of Florida. (1)
民权领导人请求联邦政府调查佛罗里达州部分地区的投票问题。
* Congress is investigating the president's relationship with a young woman. (2)
国会正在调查总统与一位年轻妇女的关系。
【invite】to ask someone to take part in or join an event, organization or gathering.
* Jason invited Candy to his party.
詹森邀请甘迪参加他举办的聚会。
【involve】(1) to take part in; (2) to become a part of; (3) to include.
* He has been involved in drama for many years. (1)
他从事戏剧表演多年。
be involved in：涉及，专心，从事
* She became completely involved with her new family. (2)
她彻底地成为她新家庭的一员。
* The project involved thousands of people. (3)
这个项目包括了数以千计的人们。
【iron】a strong, hard metal used to make machines and tools.
* People have been making tools of iron for about 2,800 years.
大约2,800多年来人们一直用铁制造工具。
make of：用…做成，理解，明白，对…有某种看法
【island】a land area with water all around it.
* Ken lived on several different islands in the South Pacific Ocean.
肯恩在南太平洋几个不同的岛屿上住过。
【issue】an important problem or subject that people are discussing or arguing about.
* Campaign finance reform was the most important issue in the election campaign.
竞选运动的财政改革是选举运动中最重要的问题。
【it】a thing, place, event or idea that is being spoken about.
* The sky is blue, but it also has a few white clouds.
天空蓝蓝的，但也有几朵白云。