亞當·施特爾茨納花費數年
working out how to do it.
研究如何實現計劃
He will take control of the rover
當火星車進入火星大氣層后
as it begins to enter the Martian atmosphere.
將由他控制火星車
And he won't be able to rely
但讓月球車
upon the systems that got the lunar rover down safely
安全降落在月球表面的系統
onto the surface of the moon.
無法滿足他的要求
Mars is tough.
火星條件很惡劣
The moon,
而月球
where we've landed lunar modules on the moon before,
登月艙曾經在此成功降落
does not have any atmosphere
沒有大氣層
and it makes the process of getting down to the surface kind of simple.
這使降落到月面的過程相對容易
You take a rocket engine,
只要有個火箭發動機
you turn it on and you slow yourself down
讓它自己減速
until you touch down on the surface.
直到你抵達月面
Unlike the lunar rovers,
與月球車不同
Curiosity will have to battle an unpredictable atmosphere.
好奇號將與無法預測的大氣戰斗
Historically,
一直以來
Mars has been evil.
火星都很難對付
You don't know what the weather's going to be like,
我們無法預知登陸時的天氣
you don't know whether the
我們沒法知道
atmosphere's going to be dense or diffuse.
那時的大氣是密是疏
Will it be a hot day and not so dense,
是空氣較稀薄的大熱天呢
or a cold and dense day?
還是空氣稠密的大冷天
重點解釋:
1.take control of 控制
例句:If necessary, can you take control of a situation?如果必要,是否能控制局面?
2.be able to 會; 能
例句:You'll be able to come, won't you?你能來的,對嗎?
3.touch down 航空著陸
例句:At last he touched down on the mainland.最后他在大陸上著陸了。