the highest part of a tree

When song thrushes are singing they sit on or near a treetop. 当欧歌鸫唱歌时，它们会坐在树梢上或附近位置。

She studied the thriving ecosystem in the treetops. 她研究树梢上繁荣的生态系统。

Within a minute, an American bald eagle appeared above the tree tops. 不到一分钟，一只美国秃鹰就出现在树梢上。

relating to or situated in the highest part of a tree, or to an area formed by the highest parts of a group of trees

You will have the chance to observe the feeding of lions and tigers from a treetop viewing balcony. 你将有机会在树梢阳台上观察狮子和老虎的喂食过程。

The planes came roaring over the jungle at treetop height. 飞机轰鸣着在树梢高度飞过丛林。

Great blue herons are large and not agile in flight, yet often choose nesting sites at treetop level. 大蓝鹭体型庞大，飞行不灵活，但经常选择在树顶筑巢。