大学英语四级/cet4词汇带英文注释(四十八)

　　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.

　　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)

　　Congress is investigating the president's relationship with a young woman. (2)

　　invite [to ask someone to take part in or join an event, organization or gathering]

　　Jason invited Candy to his party.

　　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)

　　She became completely involved with her new family. (2)

　　The project involved thousands of people. (3)

　　iron [a strong, hard metal used to make machines and tools]

　　People have been making tools of iron for about 2,800 years.

　　island [a land area with water all around it]

　　Ken lived on several different islands in the South Pacific Ocean.

　　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.

　　it [a thing, place, event or idea that is being spoken about ]

　　The sky is blue, but it also has a few white clouds.