The plane took off and ascended steadily until it was out of sight.

飞机起飞之后平稳地渐升空直到消失在视野之外。

His passion was slowly draining from him.

他的热渐消失了。

The sound of their footsteps died away.

他们的脚步声渐消失了。

As I got about, the stiffness in my left leg gradually worked off.

由于走动, 左僵硬的渐消失了。

The organization tapered off in about half a year.

那个组织大约半年内就渐消失了。

The rumble of thunder died off.

隆隆雷声渐消失。

The coastline faded into darkness.

海岸线在黑暗中渐消失了。

The sounds fainted away.

声音渐消失了。

The distant cry trailed off.

远传来的喊声渐地消失了。