纪录片《火星任务》 第11期 天体都在运动

Planning the journey

计划整个旅程

was the first challenge for Joel Krajewski's

是乔尔·克拉耶夫斯基的工程小组

engineering¹ team.

面对的首个挑战

Go, go, go, go, go!

冲 冲 冲

Nice job!

干得好

As Flight Director,

而飞行指挥官

Joel's colleague Brian Portock

乔尔的同事布赖恩·波尔托克

is, in effect, the mission's quarterback.

则相当于此次任务的四分卫

It's Brian's job

布赖恩的工作

to aim and throw the spacecraft across the solar system

就是让航天器穿过太阳系

to a moving receiver...

准确抵达移动的外接球手

..Mars².

火星

Everything's in motion³ in space.

太空中的天体都在运动

Run in, run in!

前插 前插

Mars is moving round the Sun

火星绕着太阳转

and the Earth is also moving round the Sun,

地球同样绕着太阳转

and their motion relative to each other is changing.

它们之间的相对位置随时在变

Go, go, go, go!

冲 冲 冲

Similar to a receiver running out for a pass is in motion...

就像外接球手穿插时会不停改变位置

Ball!

接球

...and the quarterback needs to stand back and throw a ball,

而四分卫站在后面扔球

so that the receiver and the ball

球和人都必须

meet at a point in space and a time

在恰当的时间抵达恰当的位置

that's the correct one so that they can catch it.

这样才能接住球

1 engineering   

n.工程，工程学，管理，操纵

参考例句：

• The science of engineering began as soon as man learned to use tools. 人类一学会使用工具,工程科学就开始了。
• It was the first great engineering works in the world. 这是世界上第一家大型的工程工厂。

2 Mars   

n.火星，战争

参考例句：

• As of now we don't know much about Mars.目前我们对火星还知之甚少。
• He contended that there must be life on Mars.他坚信火星上面一定有生物。

3 motion   

n.打手势，示意，移动，动作，提议，大便；v.运动，向...打手势，示意

参考例句：

• She could feel the rolling motion of the ship under her feet.她能感觉到脚下船在晃动。
• Don't open the door while the train is in motion.列车运行时，请勿打开车门。