巴西是鸟类的天堂,那里有1 700多种鸟类,其中就有巨嘴鸟。巨嘴鸟有很多种类,不同种类的巨嘴鸟羽毛颜色各异,艳丽非凡;它们长有巨大的啄,啄的长度几乎占了身体的一半。然而,随着越来越多人住进巴西的丛林,巨嘴乌的数量不断下降。科学家最近发现,巨嘴鸟的减少引起了一场意想不到的丛林演变——学习小提示:本文词汇量大,术语较多,建议先阅读文字,熟悉大意后再进行听力练习。 Brazil is a paradise for birds, with more than 1,700 species of birds, among them Tucano. There are many types of Toucan, different types of Toucan feathers of different colors, gorgeous extraordinary; they have a huge pecking, pecking length accounting for almost half of the body. However, as more and more people live in the jungles of Brazil, the population of Tuiwuwu is declining. Scientists recently discovered that the reduction of the Toucan caused an unexpected evolution of the jungle. Learning tips: This article has a large amount of vocabulary and many terms, it is recommended to read the text, familiar with the idea and then practice listening.