1. It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
    看来人类早就致力于探索四季变迁了，比人们想像的要早20,000年。

2. In a real sense, water keeps Earth alive.
    从真正的意思上说，是水维持着地球的生命。

3. I assumed because I didn't believe in violence, because I wasn't violent, I wouldn't be affected by violence. I believed my belief in the best of human nature could make it real.
    我应该把枪从住所带到车上，但是我没有。这支枪的功能，以及使用它的目的比用它所能阻止的事件更让我感到恐惧。

4. It even weakens the child's links with grandparents and other family (usually on the father's side), and few lovers are willing to take on real responsibility for the welfare of another person's child.
    离婚甚至削弱了孩子与祖父母、与对方家庭（通常为父亲一方）的联系，而情人间几乎没有人愿为另一人的孩子的幸福真正承担责任。

5. In a love relationship there are times when I am bored, times when I may feel like giving up, times of real strain, and times I feel I can't move forward.
    爱人之间也会有时感到厌烦，有时想放弃，有时感到压力，有时感到羁绊。

6. Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
    弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。