1. After his years of adventure, he could not settle down to a humdrum life.
    多年的冒险生涯使他无法安下心来过这种单调的生活。

2. Art is long, but life is short.
    人生有限，学问无涯。

3. Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
    几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。

4. Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns,
    虽然在已经产生生命的某个地方，可能只有1%会发展成高度复杂有智力的生命形态，

5. All this seems to me to link them with life, and the origins of things.
    在我看来，所有这些使他们与生命和万物之源联系在了一起。

6. As he hated army life, he decided to desert his regiment.
    他讨厌军旅生活，决定逃离所在部队。

7. As the parents had five children, life was a perpetual struggle against poverty.
    家里已有5个孩子，全家人常年在贫困中挣扎。

8. A planet would have to be a very long way from it to be capable of supporting life.
    那么一颗行星为了维持生命就要离开的它的恒星非常远。

9. Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
    反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，

10. At present, there is no telescope in existence that is capable of detecting the presence of life.
    现在，没有一台现存的望远镜可以发现生命的存在。