四六级

　　单词是四级考试的基础，记单词又是最枯燥乏味的，尝试理解单词的英文意义，并用例句加深印象，不失为一个更有趣的单词记忆法，本篇是四级词汇：race、radar、radiation、radio、raid、railroad、rain、raise、rare、rate、reach英文注释+例句版，希望对大家2017年6月英语四级考试备考有帮助。

　　2017.6英语四级备考：英文注释+例句版四级词汇目录

　　race

　　英文注释：[(1) to run; (2) to take part in a competition to decide who or what can move fastest; (3) to take part in a campaign for political office; (4) one of the major groups that humans can be divided into because of a common physical similarity, such as skin color]

　　例句：The cat and dog raced through the house. (1)

　　Are you racing in the one hundred meter event? (2)

　　Her mother entered the race for mayor. (3)

　　All races of people are equal under the laws of the United States. (4)

　　radar

　　英文注释：[a device that uses radio signals to learn the position or speed of objects that may be too far away to be seen]

　　例句：Radar can show if a storm is moving toward us.

　　radiation

　　英文注释：[(1) waves of energy from something that produces heat or light; (2) energy from a nuclear substance, which can be dangerous]

　　例句：Radiation from the sun can burn our skin. (1)

　　Radiation from a nuclear explosion can kill. (2)

　　radio

　　英文注释：[the system of sending and receiving signals or sounds through the air without wires]

　　例句：Do you listen to VOA Special English on the radio?

　　raid

　　英文注释：[(1) to make a sudden attack; (2) a sudden attack]

　　例句：Police raided a number of houses where illegal drugs were sold. (1)

　　Thirty-eight people were arrested in the drug raid. (2)

　　railroad

　　英文注释：[(1) a road for trains; (2) a company that operates such a road and its stations and equipment]

　　例句：The government has made a walking trail where the railroad was. (1)

　　Railroads in the United States mostly carry products instead of passengers. (2)

　　rain

　　英文注释：[water falling from the sky]

　　例句：Rain has fallen for three days.

　　raise

　　英文注释：[(1) to lift up; (2) to move to a higher position; (3) to cause to grow; (4) to increase]

　　例句：Rising floodwaters raised the house and carried it away. (1)

　　The bridge raises so ships can pass under it. (2)

　　The farmer raises mostly corn and soybeans. (3)

　　Congress raised taxes. (4)

　　rare

　　英文注释：[(1) not common; (2) not usual; (3) not often]

　　例句：He has rare musical ability for a boy so young. (1)

　　A warm day is rare this time of year. (2)

　　It is rare for me to get so many telephone calls. (3)

　　rate

　　英文注释：[(1) speed; (2) a measure of how quickly or how often something happens; (3) the price of any thing or service that is bought or sold]

　　例句：The old man reads at a slow rate. (1)

　　What is the patient's heart rate? (2)

　　The interest rate on home loans has increased. (3)

　　reach

　　英文注释：[(1) to put a hand toward; (2) to arrive at; (3)to come to]

　　例句：She reached out to take my hand. (1)

　　He reached home about six o'clock. (2)

　　We will reach a decision soon. (3)

　　2017.6英语四级备考：英文注释+例句版四级词汇目录

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