評論
打印
Planning the journey
計劃整個旅程
was the first challenge for Joel Krajewski's
是喬爾·克拉耶夫斯基的工程小組
engineering team.
面對的首個挑戰
Go, go, go, go, go!
沖 沖 沖
Nice job!
干得好
As Flight Director,
而飛行指揮官
Joel's colleague Brian Portock
喬爾的同事布賴恩·波爾托克
is, in effect, the mission's quarterback.
則相當于此次任務的四分衛
It's Brian's job
布賴恩的工作
to aim and throw the spacecraft across the solar system
就是讓航天器穿過太陽系
to a moving receiver...
準確抵達移動的外接球手
..Mars.
火星
Everything's in motion in space.
太空中的天體都在運動
Run in, run in!
前插 前插
Mars is moving round the Sun
火星繞著太陽轉
and the Earth is also moving round the Sun,
地球同樣繞著太陽轉
and their motion relative to each other is changing.
它們之間的相對位置隨時在變
Go, go, go, go!
沖 沖 沖
Similar to a receiver running out for a pass is in motion...
就像外接球手穿插時會不停改變位置
Ball!
接球
...and the quarterback needs to stand back and throw a ball,
而四分衛站在后面扔球
so that the receiver and the ball
球和人都必須
meet at a point in space and a time
在恰當的時間抵達恰當的位置
that's the correct one so that they can catch it.
這樣才能接住球
重點解釋：
1.in effect 實際上；正在實行；有效
例句：The two methods were in effect identical.那兩個辦法實際上是一樣的。
2.move round 繞
例句：It used to be believed that the sun moved round the earth.從前人們常以為太陽繞著地球轉。
3.relative to 關于； 相對于
例句：The teacher asked me some questions relative to my paper.老師問了我一些和我的論文有關的問題。
