他们试图满足宇航员的特殊要求。

They tried to meet astronaut's specific requirements.

下面将向你展示宇航员的日常生活。

The following will show you the astronauts' daily life.

太空服将宇航员安全地密封在里面。

Space suits keep astronauts safely sealed (密封的) inside.

一队美国宇航员开始在火星上搜寻。

A team of American astronauts begin to search on Mars.

细菌对宇航员来说是个恼人的问题。

Bacteria are an annoying problem for astronauts.

我父亲是一名宇航员，我会从那开始。

My father is an astronaut I would start out with that.

宇航员每周都要花几个小时来清理它们。

Astronauts spend hours cleaning them up each week.

他们开发了供宇航员在外太空使用的物品。

They developed objects for astronauts to use in outer space.

背包将氧气送入太空，让宇航员正常呼吸。

A backpack sends O2 in to let astronauts breathe normally.

宇航员在这些空间站里生活了一小段时间。

Astronauts lived in these space stations for a short time.