If the toco toucan had evolved in chilly Ireland, its impressive bill would have been much more modest.
如果托哥巨嘴鸟是在寒冷的爱尔兰进化而来的，它那令人印象深刻的喙部就会比现在小得多了。
Last year Glenn Tattersall of Brock University in Ontario, Canada, found the toco toucan loses up to 60 per cent of its body heat through its beak.
去年，加拿大安大略布鲁克大学的格伦·塔特索尔发现，托哥巨嘴鸟身体中高达60%的体温都会通过其喙部流失。
The boy doesn't want to catch [get] a toco.
打起架来，最小的男孩通常要挨打。
The Toco Toucan lives in central and eastern South America.
托科巨嘴鸟生活在南美中部和西部地区。
IF THE toco toucan had evolved in chilly Scotland, its impressive bill would have been much more modest.
如果巨嘴鸟在寒冷的苏格兰进化的话，它那引人注目的长喙将会变成平常的尺寸。
The toco toucan, a native of South America's tropical forests, is one of the world's most recognizable birds.
托科巨嘴鸟生活与南美洲的热带森林，是世界最知名的鸟类之一。
The bill of the Toco Toucan makes up about one-third of its body length and ornithologists have long wondered about the purpose for appendage.
托科巨嘴鸟的喙大约占到体长的三分之一，鸟类学家很久以来对于不清楚这部分的目的。
The bill of the Toco Toucan makes up about one-third of its body length and ornithologists have long wondered about the purpose for appendage.
托科巨嘴鸟的喙大约占到体长的三分之一，鸟类学家很久以来对于不清楚这部分的目的。
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