Let's say your plane does depressurize.

飞机上气压会降低。

On this dwarf planet, the air pressure would also be small.

在这颗矮行星上，气压也会很低。

The first warning he had that there was trouble ahead came when he glanced into the Wasp's cabin and observed that the barometer had fallen sharply.

第一个麻烦来了。他瞥了一眼黄，发现里面气压计上指数在飞速往下降。

There was a deafening hissing and crackling, and the needle on the air pressure indicator dropped from 70 to 65 to 60 pounds in two seconds.

之后发出了震耳欲聋嘶嘶声和噼啪声，气压计上指针在两秒内从70降到65，降到60磅。

Jane hurried through the double portals, the swish of air flapping her outer garments as the air-conditioning unit fought savagely to keep out the rival atmosphere of the planet.

简急匆匆穿过双层门，空调系统拼命抵御着金星上外来气压侵袭， 气流呼啸而过， 拍打着她外衣。