Two opposing scenarios, the "arboreal" hypothesis and the "cursorial" hypothesis, have traditionally been put forward concerning the origins of bird flight.
关于鸟类飞行的起源，传统上提出了两种对立的假设：“地栖说”和“树栖说”。
Even with snow on the ground, the high bushy understory is exposed; also snow and wind bring down leafy branches of cedar, hemlock, red alder, and other arboreal fodder.
即使地上有雪，高而浓密的下层植被也显露出来；雪和风也会吹落雪松、铁杉、红桤木多叶的树枝和其他的树木草料。
Squirrels are arboreal creatures.
松鼠是栖于树上的动物。
Monkeys live in an arboreal habitat.
猴子生活在树上的栖息地。
Koala is an arboreal Australian marsupial.
考拉是一种澳大利亚树栖有袋动物。
Arboreal marsupials may not recover to pre-logging densities.
树袋动物的密度可能无法恢复到伐木以前了。
Arboreal civet of Asia having a long prehensile tail and shaggy black hair.
亚洲树栖的灵猫，有易于缠绕的长尾巴和粗浓的黑毛。
For the arboreal reptiles and amphibians, to create a three-dimensional habitat.
为树栖爬行动物和两栖动物，创建一个三维栖息地。
Vision Human vision like that of other primates has evolved in an arboreal environment.
视觉人类的视觉，和其它灵长目动物的一样，是在丛林环境中进化出来的。
Were the first flyers arboreal creatures that initially glided from tree tops to the ground?
最初的飞行动物是首先从树梢滑翔到地面的树栖动物吗？
The Baron in the Trees is the wonderfully witty novel of Cosimo's unique arboreal existence.
《树上的男爵》是一部关于柯西莫独一无二的树栖生活的小说，书中的想象力和智慧令人叹服。
The animal is the rarest arboreal, jungle-dwelling kangaroo in the world, the researchers say.
研究人员表示，这是世界上最漂亮的袋鼠，同时也是栖息在丛林地区最为珍贵的有袋动物。
Known for their intelligence, they live in trees and they are the largest living arboreal animal.
闻名的情报，他们生活在树上，它们是最大的活树栖动物。
Additionally, the structure of tarsometatarsus and the pedal digits presents obviously arboreal adaptation.
跗跖骨结构以及足趾近、远端趾节的长度反映了明显的树栖性特征。
Tattersall says it makes sense that arboreal primates may have been "primed, " for upright walking on the ground.
塔特索尔说，为在地面直立行走，树栖灵长类动物可能已被“预先准备好”。
In one, cover was created with eucalyptus branches and light levels were kept low, mimicking an arboreal habitat.
在其中一个场地，她用桉树枝覆盖起来，并使光级度保持较低水平，以此来模仿树木栖息环境。
Climbing up and down to our arboreal camera platform, and then into the nesting tree itself, incurred the mother's wrath.
我们爬上去再回到安置在树上的摄像机平台，然后撞到了树，惹怒了母鹰。
Statistic analysis of these 6 variables showed that they could be used to well distinguish arboreal and terrestrial birds.
对这6个变量的分析表明，它们对于区别鸟类的栖息习性具有显著的指示作用。
The frogs' lifestyle is so thoroughly arboreal that, instead of laying eggs in water, the frogs deposit their eggs in trees.
这种蛙完全在树上生活，他们不在水中而是在树上产卵。
The point of the scary frill is to give the lizard enough time to beat a hasty retreat, rocketing up the nearest arboreal loft.
恐吓皱褶的目的是给蜥蜴足够的时间仓皇撤退，窜入最近的树丛中。
Bats were long considered the primary pollinators of Ochroma, but recent research suggests arboreal mammals do most of the work.
科学家们一直认为蝙蝠是巴尔沙树最重要的传粉者，但最近的研究表明，大部分传粉工作是由哺乳动物承担的。
Once hunted for its fur, this arboreal leaf-eater is today protected by stringent laws and is making a slow but steady comeback.
这种以树为家的吃叶族曾经因其毛皮而遭猎捕，如今因受到严格法令的保护，其数量成长正慢慢地回稳。
Shaggy giants from an arboreal world, the tall and commanding Wookiee species is an impressive sight to even the most jaded spacer.
这是一群来自森林世界的巨人，伍基族毛发浓密、高大而威严，甚至连最疲惫不堪的飞行员都对他们印象深刻。
It surrounds itself with a landscaping realized with attractive interventions composed by lakes, birds and a big arboreal extension.
而起居室就包裹在这由湖泊、飞鸟和大片树林所绘制的无边的自然景色中。
They feed mostly on animals like rats, bandicoots, and other rodents, but occasionally eat arboreal animals like birds and flying squirrels.
他们大多喜欢捕食老鼠，袋狸，和其他啮齿类动物，但偶尔吃像鸟一样，飞鼠树栖动物。
Arboreal pollen in alluvium mainly came from the surface pollen fallen on the ground in spring which was carried by sheet flow during the floods.
洪水期冲积物中的木本植物花粉主要是由雨水片流将春季落入表土的花粉带入河水中所致。
Koala: an arboreal Australian marsupial that has dense grayish fur, large ears, and sharp claws and feeds chiefly on the leaves of eucalyptus trees.
树袋熊，考拉：一种澳大利亚树栖有袋动物，长有浓密的灰毛、大耳朵和尖利的爪子，主要以桉树的树叶为食。
Perched on a high-elevation cloud forest leaf the arboreal Hispaniolan crowned frog had not been seen since 1991 until this picture was taken in October 2010.
栖息在高海拔的云雾林的叶片上的伊斯帕尼奥拉蛙从1991年就不见踪影，直到2010年10月才拍得这张照片。
Perched on a high-elevation cloud forest leaf the arboreal Hispaniolan crowned frog had not been seen since 1991 until this picture was taken in October 2010.
栖息在高海拔的云雾林的叶片上的伊斯帕尼奥拉蛙从1991年就不见踪影，直到2010年10月才拍得这张照片。
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