NASA has described the 98-meter SLS as the most powerful rocket ever built.

美国航空航天局称这枚高98米的太空发射系统为有史以来最强大的火箭。

SLS is short for Space Launch System.

SLS是太空发射系统的缩略语。

NASA is calling the first launch of the SLS rocket Artemis 1.

美国航空航天局将太空发射系统的首次发射称为“阿耳忒弥斯1号”。

By comparison, the SLS rocket has specific impulse rates below 500.

相比之下，SLS火箭的比冲率低于500。

And this SLS vehicle is the platform that we will do that with.

而这艘 SLS 飞船是我们将要使用的平台。

I'm Chad Bryant. I'm the NASA Core Stage Manager for SLS.

我是查德•布莱恩特。我是 NASA 负责 SLS 项目核心平台的经理。

That's the company that builds the two solid rocket boosters on SLS.

就是这家公司在SLS上制造了两个固体火箭助推器。

So if you buy one SLS rocket, it's going to be very expensive.

如果买整个火箭的话，费用是非常高昂的。

You know, sadly the way SLS is being developed those engines wouldn't be reused.

你知道，很遗憾 SLS 的开发方式决定了这些引擎不会被重复使用。

SLS has been under development for more than 10 years.

太空发射系统已经发展了10多年。