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.

一队队满身尘土、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.

它有极地冰帽和覆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.

，是睡袍？那是核磁共振机的防尘罩。

Dust covered everything, and cobwebs hung from the walls.

灰尘覆盖了一切，蜘蛛网挂在墙上。

A thin layer of dust covered his desk and radio.

他的办公桌和收音机上覆盖着一层薄薄的灰尘。

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，一层塑料薄膜，灰尘覆盖了它，遮住了阳光，我的茄子开始长霉了。

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

在火星尘埃覆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。