評論
打印
We can only lift so much mass off the Earth
我們只能從地球發射一定質量的物體
and have it land safely on Mars.
并使其在火星安全降落
The rover is five times as heavy as any vehicle
火星車的質量是過去發射過的
they've ever launched,
任何探測器的五倍
which makes landing it on another planet
這令它在另一行星的著陸
more difficult than anything they've attempted before.
比以前的任何計劃都更加困難
Landing a big rover is a tough business.
大型火星車降落是一項艱巨的任務
The landing system is more complex,
需要更復雜的降落系統
parachutes are bigger,
更大的降落傘
everything gets much bigger and therefore harder.
一切都變大了所以也變困難了
NASA's engineers have never shied away
美國宇航局的工程師決不會屈服于
from tricky landings.
任何艱難的著陸
During the Apollo missions of the 1970s,
在七十年代的阿波羅登月計劃期間
they weren't satisfied just to put a man on the moon.
他們已不滿足于僅僅把人類送上月球
But landing a car on Mars
但讓火星車在火星著陸
is an entirely different proposition.
完全是另一碼事
重點解釋：
1.put on 放上
例句：The old man put on his spectacles and started reading.老人戴上眼鏡開始看書。
2.so much 這么多
例句：He is not so much a genius as a hard worker.他的努力勝于天分。
