1. Man was evolved from an ancestor that was probably arboreal . 人大概是从住在树上的祖先进化而来的。
2. Human vision like that of other pr mates has evolved in an arboreal environment. 人类的视觉，和灵长目动物的一样，是在丛林环境中进化出来的。
3. An arboreal Australian marsupial (Phascolarctos cinereus) 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（树袋熊），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。
英英解释
adj.
1. of or relating to or formed by trees
2. inhabiting or frequenting trees
3. resembling a tree in form and branching structure
