Clouds drift across the sky.

云朵在天空中漂移。

The bird flew across the sky.

那只鸟飞行穿过天空。

The clouds drift across the sky.

云在天空中漂流。

The airplane flew across the sky.

飞机在天顶中飞过。

The clouds billow across the sky.

云朵在天空中翻腾。

The clouds drifted across the sky.

云朵在天空中漂泊。

Birds flit across the sky at dawn.

鸟儿在黎明时分轻快地飞过天空。

The yun moved slowly across the sky.

云在天空中慢慢移动。

A bevy of birds flew across the sky.

一群鸟飞过天空。

I saw a raven flying across the sky.

我看到一只渡鸦飞过天空。