Withered leaves danced and whirled in the hot air of noon.

枯叶在正午的炎风中飞舞。

Compare it to a hot air balloon.

拿它跟热气球作对比。

We have 'empty', 'game changer' and 'hot air'.

我们有“无意义的”、“规则改变者”和“空话”。

OK. Let's go by hot air balloon.

好的，我们做热气球去吧。

There's no burner like a hot air balloon.

没有什么飞行器能比得上热气球。

They were meaningless. They were 'hot air'.

它们毫无意义。它们都是“空话”。

That's what comes out of your mouth, hot air.

那是从你嘴里出来的，热空气。

Cool! But isn't that a hot air popcorn popper?

酷！但那不是一台爆米花机吗？

He actually truly enjoyed travelling by hot air balloon.

他真的很享受乘坐热气球的旅程。

Local authorities have suspended all hot air balloon flights near Luxor.

当地政府已下令停止卢克索附近所有的热气球活动。

So the hot aisle where it expels all the hot air.

所以它排出所有热空气的热通道。

When we fill balloons with hot air, they rise into the air.

当我们用热空气填充气球时，气球就会上升到空中。

Now, 'hot air' is quite informal, isn't it?

现在，hot air 是相当不正式的表达，不是吗？

Hot air rises, so the flame climbs up between the two grape halves.

热空气上升，所以火苗从两半葡萄之间攀升。

And then a fan that pushes that hot air down onto the food.

然后用风扇把热空气推到食物上。

It's one of the worst tragedies in hot air balloon in history.

这也是热气球历史上最为惨烈的事故之一。

It removes hot air in the summer and cold air in the winter.

它在夏天排出热空气，在冬天排出冷空气。

Yeah. So the fan is basically gonna spray and circulate that hot air.

是的。所以风扇基本上会喷射和循环热空气。

International summits are full of hot air and greenhouse gas pollution continues to rise.

国际峰会上探讨着继续上升的热空气及温室气体污染。

COP27 was a lot of hot air — again.

联合国气候大会又是一场空话大会。