科研之友
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摘要
<正>In a year, there are four seasons. They are spring, summer,autumn and winter.一年有四个季节。它们是春、夏、秋、冬。Spring is usually warm and windy. Trees and grasses turn green. We can see many flowers in spring. Children like flying kites in spring. People usually plant trees in spring. Some people like to go fishing in spring. However, farmers are usually very busy in spring.
