Well maybe not the jetpacks so much…

好吧，也许喷气背包还没普及。

And dragonfly larvae use their butts like aquatic jetpacks.

蜻蜓幼虫把它们的臀部当成水上喷气背包使用。

Like, if you've spiffed up your secret underground base, your stretch goal may be to build yourself another jetpack!

比如，如果你已经装饰了你的秘密地下基地，你的延伸目标就可能是为自己再做一个喷射背包！

Wait, does the Fenton store have jetpacks?

等会 那芬顿店有吗?

After all, we were once promised jetpacks and won’t be so easily taken in again.

毕竟，我们曾经得到过喷气背包的承诺， 不会再轻易上当。

This is like jetpack meets Iron Man.

这就像喷气背包遇到钢铁侠。

So we're totally out of jetpacks?

机器人 在云九自拍点摆个姿势 带个标签 发到网上所以我们的喷气背包是全卖完了吗?

Uh, no, we don't actually sell jetpacks.

呃 不好意思 我们其实不卖喷气背包。

The dream of personalised flight is still vivid in the minds of many inventors, some developing cycle-powered craft, others pouring money into jetpacks.

个人化飞行仍是许多发明家心中十分鲜活的梦想，有些人在开发动力循环飞行器，还有些人将大量资金投入喷气式飞机背包的研发。

And then on the other hand, when I was with a guy, I literally felt like I had a jetpack.

而另一方面，当我和一个男生在一起时，我感觉自己就像穿着喷气背包一样。

Mayman has been hooked on jetpacks ever since he first saw James Bond take off on one in " Thunderball" .

梅曼自从在“霹雳弹”中第一次看到詹姆斯·邦德背着喷气背包起飞后就迷上了喷气背包。

In practice, this makes the mantle a miniature jetpack, propelling squid through the water at 10 kilometers per hour.

实际上，这使得地幔成为一个微型喷气背包，以每小时 10 公里的速度推动乌贼在水中穿行。

This was when an English engineer named Richard Browning saw the opportunity to create a new kind of lightweight jetpack.

就在这时，一位名叫理查德布朗宁的英国工程师看到了创造一种新型轻型喷气背包的机会。

Designs could only carry enough fuel for 30 seconds of flight, and when airborne, the powerful thrust in a single direction made jetpacks difficult and dangerous to control.

设计只能携带足够飞行 30 秒的燃料，而在空中时，单一方向的强大推力使喷气背包难以控制且危险。

This technology is still fairly new, and without major advances in fuel efficiency and engine technology, don't expect to have a jetpack of your own any time soon.

这项技术仍然相当新，并且在燃油效率和发动机技术方面没有取得重大进展，不要指望很快就能拥有自己的喷气背包。