It is actually filled with gas.

实际上有气体弥散其中。

High above, the sky was filled with gas that gave off light like the sun.

高处，天空充斥的天然气，像太阳一样释放着光芒。

Nord Stream 2 was not operational at the time of the explosion but it was filled with gas.

爆炸发生时，“北溪 2 号”没有运行，但里面装满了天然气。

What we see as the magnificent Orion Nebula is just a dimple, a cavity, in the side of the cloud, filled with gas heated to glowing by the stars.

我们所看到的壮丽的猎户座星云，只是云层侧面的一个凹陷，一个空洞，充满了被恒星加热而发光的气体。

[Jane Lindholm] So Jessica said it's blue because of the way the light from the sun reacts with the gases in our atmosphere. The sky above us is filled with gases that we can't see.

我们头顶的天空充满了我们看不见的气体。