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The graph contains information about the population of birds in Europe over a period of twenty four years.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
Write at least 150 words.
文章学术词汇使用熟练，但请作者增加词汇丰富度；句法很棒，若适当增加一些从句的使用，文章会取得更好的成绩；全文结构较为严谨；请注意分段。
The graph shows the bird population in Europe, measured in millions, for the years 1977 to 2001, in three-yearly intervals. Overall, the graph shows the population decreased over time. In 1977, the population was 120 million birds. This increased to a peak of about 126 million in 1980, and then dropped sharply over the next six years to approximately 98 million in 1986. It then rose significantly to about 112 million in 1989 which is the second highest point in the graph. It fell sharply over the next three years to about 95 million in 1992 and remained relatively stable after that at between 96 and 90 million birds. The graph shows a trend of a gradual decrease in the number of birds since 1995.
可可英语 - 划词释义
