Actually that's Mars dust on the dust cover.

实际上那是火星尘埃。

Long lines of soldiers were passing, dust covered, sodden with weariness.

队队满身尘土、精疲力竭的士兵从那里经过。

It has polar ice caps, and lots of rusty dust covering its surface.

它有极地冰满表面的生锈的灰尘。

No, no, it's not a gown. It's the dust cover for the M.R.I.Machine.

，这是睡袍？那是核磁共振机的防尘罩。

Dust covered everything, and cobwebs hung from the walls.

灰尘盖，蜘蛛网挂在墙上。

A thin layer of dust covered his desk and radio.

他的办公桌收音机上盖着层薄薄的灰尘。

The greenhouses, a shell of plastic sheeting, the dust covers it up, blocks the light and my eggplants are starting to grown mold.

温室，层塑料薄膜，灰尘盖它，遮住阳光，我的茄子开始长霉。

It has just a few months to hear more quakes before Martian dust covers its solar panels — and it powers down forever.

在火星尘埃盖其太阳能电池板之前，它只有几个月的时间来听到更多的地震——随后它将永远关闭电源。