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The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.

早期登山者所尋找的是通往山頂的最方便的途徑，因為頂峰特別是前人未曾到過的頂峰 -- 才是他們尋求的目標。

from dust devils and squalls up to continent-size eddies that only satellites can see.

從小塵暴和暴風發展到只有衛星上可以看到的席卷整塊大陸的旋渦。

his early audiences found it easy to understand and forgive,

他的早期觀眾很容易接受，覺得應該原諒他，

From the seventeenth-century empire of Sweden,

從17世紀瑞典帝國

The reason lies in its gravity.

其原因在于月球的重力。

They have also assumed that all animals, and probably other organisms such as trees,

人們不但認識到所有的動物，大概也認識到所有的有機物，如樹木，