It also holds more fuel, carries additional solar panels and has stronger legs.

它还能储存更多的燃料，携带更多的太阳能电池板，“腿”也更强壮。

Almost but not quite, our invisible fuel carried to us by our inner senses could be likened to the air which you breathe, and which on a calm day is so difficult to perceive.

几乎但不完全是，我们的内在感官所携带的无形燃料，可以比作你呼吸的空气， 在平静的日子里，它是如此的难以察觉。

And yet, our atmosphere manages to pump out one cloud after another all over the world at altitudes of up to 20 kilometers above sea level, using water and fuel carried all the way from Earth's surface.

但同时，我们的大气层在世界各地升起一朵又一朵的云，高度可达海拔 20 公里，完全只用来自地表的水和动力。