Well, Starship will conveniently refill its propellant tanks in space with methane and oxygen.

星际飞船会方便地在太空中用甲烷和氧气填进剂罐。

They also made great propellants, foaming agents, and fire-retardants.

用还可以制造很好进剂，发泡剂和阻燃剂。

Ballistite was a smokeless propellant that combined nitrocellulose and nitroglycerine.

弹道石是一种无烟进剂，结了硝化纤维素和硝化甘油。

Liquid oxygen is one of the propellants that fuels the Atlas V into space.

液氧是阿特拉斯5号进入太空进剂之一。

However, a rocket burns fuel called propellant to push away from Earth and against gravity.

而火箭通过燃烧一种称为进剂燃料来远离地球并对抗重力。

The rocket uses liquid propellant, which makes it more environmentally friendly than previous modules.

“长征七号”是一枚采用环保无毒液氧煤油发动机大型液体运载火箭，这样就比先前配置更为环保。

I recognise the paint. It's like Michigan...hard-core propellant. I'd say zinc.

我认得这涂料，像是密歇根牌，某种硬核涂料喷射剂，我猜是锌。

Solid rocket propellant burns very rough.

固体火箭进剂剧烈燃烧。

And the tanker refills the propellant tanks of your starship.

加油机会把星际飞船进剂罐加满。

The Long March-11 is the only series in the Long March family that uses solid propellants.

长征11号是长征家族中唯一一个使用固体进剂火箭。

Critical pre-launch tests have been hampered by issues with propellant loading and a malfunctioning helium check valve.

关键发射前测试因进剂装载问题和氦止回阀故障而受阻。

But then you also have a liquid propellant in the form of liquid hydrogen and liquid oxygen.

我们还有液体进剂，就是液态氢和液态氧。

It's fueled by liquid propellant made of liquid oxygen and kerosene, which is meant to cut down on pollution.

长征六号运载火箭采用液氧煤油发动机以减少污染。

They're only 1% of the mass of the total rocket, propellant and all.

们只是火箭、进剂和所有东西质量 1%。

And that means the ratio of your rocket that has to be propellant goes up really quickly.

这就意味着火箭进剂比例迅速上升。

NASA says this final part " is expected to require a new or modified spacecraft using a large amount of propellant."

美国宇航局表示，这最后一部分操作“预计需要一种使用大量进剂全新或改进航天器”。

So you just refill propellants and go again.

所以你只需重新装满进剂，然后再去。

So, keeping the propellants cold improves the performance of the rocket.

因此，保持进剂低温可以提高火箭性能。

This propellant is made from separating water into hydrogen and oxygen.

这种进剂是将水分解成氢和氧制成。

It tells you how much propellant you need in order to do that, compared with how much your total rocket weighs.

告诉你与你火箭总重量相比需要多少进剂才能做到这一点。