They can fly at speeds of over 100 km per hour.

他们能以每小时超过100公里的速度飞行。

Many birds can fly at high altitude.

许多鸟类能够在高空飞行。

Airplanes fly at high altitudes to avoid turbulence.

飞机在高空飞行以避免湍流。

The aircraft is designed to fly at stratospheric altitudes.

这架飞机被设计用于在平流层的高度飞行。

Birds can fly at an altitude that is difficult for humans to reach.

鸟类可以飞到人类难以到达的海拔。

We could fly at 480 km per hour, avoiding traffic lights and busy roads.

我们可以以每小时480公里的速度飞行，避开红绿灯和繁忙的道路。

Penguins cannot fly at all.

企鹅一点都不能飞。

They fly at first cosmic velocity.

他们以第一宇宙速度飞行.

It must be wonderful to fly at night.

在夜里飞翔的感觉一定很奇妙。

Why did you fly at her throat last night?

当汤姆骂迪克时,迪克怒不可遏向他猛扑过去.