To make matters worse, there is a propane shortage in the mid-west.

更糟的是，中西部地区面临丙烷短缺。

We went from kerosene lights to carbide lights, propane lights, and finally here comes electricity and it's available to everybody.

我们使用过、电石、丙烷，最后迎来了每个人都能用上的电。

On top of the propane tanks. - Which were in front of?

丙烷储罐上 -后面又是什？

And there's an even simpler way to write propane.

而且有更简单的方法表示丙烷。

I saw Javier and Marcus riding their bike by the propane place.

我在丙烷厂着车的哈维尔和马库斯。

Then, to create the lift required for takeoff, the air is heated by propane burners attached below the mouth of the envelope.

然后，为了创造起飞所需的升力，空气被附在球囊下方的丙烷燃烧器加热。

Gas-filled models are pretty uncommon now because of the extremely high cost, so the eighty other balloons in today's launch are hot air, heated by propane burners.

因为极高的成本，充气的型号现在很少见。所以今天起飞的另外80是个气球是热气（球），由丙烷燃烧器加热。