He found that one falcon had already been able to fly high in the sky, while the other one was staying at the branch of a tree quietly without moving.

他发现一只猎鹰已经能在高空中飞行，但另一只静静地待在树枝上一动不动。

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As a time-lapse photo goes, I like this one as the tree still looks like a tree, while the other lights are moving.

作为一张延时照片，我喜欢这一张，因为树看上去还像棵树，而其它的光线都在移动。

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Starting at the root of the document tree and moving down to the element where the event was triggered, each element is given the opportunity to handle the event.

从文档树的根开始向下移动到触发事件的元素，其中每个元素都有机会处理该事件。

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They proposed yanking the prehistoric creature off the "bird" branch of the evolutionary family tree and moving it onto a closely related lineage of birdlike dinosaurs.

NPR: New Study Restores Famed Fossil To "Bird" Branch

That status was called into question two years ago by Chinese scientists, who proposed yanking it off the "bird" branch of the evolutionary family tree and moving it onto a closely related lineage of birdlike dinosaurs.

NPR: New Study Restores Famed Fossil To "Bird" Branch