1. For most of the earth´s history they have been the only form of life on our planet.
    在地球上发展的大部分进程中，细菌是地球上唯一的生命形式。

2. For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
    他平生第一次自豪地拥有了一张既有弹簧又带床垫的床。

3. For what, I sometimes wonder; so that she can struggle to breathe through most of her life feeling half her strength, and then die of self-poisoning, as her grandfather did?
    有时我纳闷：自己这样做到底是为了什么? 难道是为了她今后大半辈子有气无力地挣扎着呼吸，然后再像她外公那样自己把自己毒死？

4. From now on, my life will be divided into two parts, with the line drawn by that train.
    从今以后，我的一生将被划分成两个部分，这列火车的行程划出了其中的分界线。

5. From Eliot's viewpoint, the other key to controlling stress is to "realize that there are other troublesome parts of your life over which you can have little or no control — like the economy and politicians".
    根据埃利奥特的观点，控制压力的另一关键因素是"要承认你生活中还有一些棘手的、你几乎无法或完全无法控制的东西--比如经济以及政客们。"

6. Foreign nationals have another, longer form to complete before being granted a U.S. entrance visa.
    外国人在获得入境签证之前所填的表格更长。

7. Fatigue and poor performance may begin to appear in the second stage of deficiency, when not enough iron is present to form the molecules of blood protein that transport oxygen to the working muscles.
    到了缺铁的第二阶段，就会出现疲倦和力不从心，此时体内已没有足够的铁来形成血蛋白分子，将氧输至运动着的肌肉。

8. Finally, death entered my life as a direct reality.
    最后，死亡这个直白的现实进入了我的生活。