Bird can fly higher and higher.

鸟能越飞越高。

youdao

"Well then let the bird fly," said the Princess; and she positively refused to see the Prince.

“那就让鸟儿飞吧！”公主说。她断然拒绝见王子。

youdao

In a world of precision-engineered digital cameras, the colorfully analog Blackbird fly is a strange bird—one that took almost 15 years to hatch.

在这样一个高精密度数码相机的世界，像黑鸟飞这样的彩色模拟相机属特异的一种，因为它花费15年的时间投入飞行拍摄。

youdao

If that is correct, the first bird-like dinosaurs did not fly.

VOA: special.2010.06.04

Or in-flight flight, which grants its bearer the ability to fly like a bird, but only within the confines of an airplane.

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