Cut a 70-degree notch into the tree with a length of 80 percent of the trunk’s diameter.

在树根处砍一个缺口，缺口的深度应该是树木直径的80%，其角度大约为70度。

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A paradise tree snake flattens its body into an aerofoil-like shape that can provide a degree of lift before it takes off from a branch by jumping upwards.

天堂树蛇展平它的躯体，使其形成机翼般的形状，这可以使它在借助树干弹跳前产生一定的提升力。

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A degree in this field is based on a sound knowledge of biology, chemistry, and physics, as well as particular forestry subjects such as tree pathology and fire suppression.

此学位是基于对生物，化学和物理扎实的知识，同样需要对诸如树病理和灭火等特别的林业学科的掌握。

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French artist Pascal-Michel Dubois, who is based in Nelson, won the printmaking prize for Meteor III, a digital photo montage 360 degree panorama of a tree which seems to float in the air.

BBC: fleece painting

Except for the surreal pastel colors and a high degree of abstraction in the rendering of massed tree trunks and foliage, there was little in the canvas to suggest the earlier master.

NEWYORKER: Pumpkin Head