1. Even if you travel in ideal weather, sea journeys take a long time.
    即使风平浪静，坐船旅行也要占用很长时间。

2. Each of the sides of the pyramid is 755 feet long, or about as long as two city blocks.
    每一边长755英尺，大约有两个街区那样长。

3. Even today man is still a long way from malaria eradication.
    即使在今天，人们还远没有达到根除疟疾的地步。

4. Each teenager is expected to cover his or her own expenses for articles for personal use, entertainment, long-distance telephone calls and clothing.
    每个孩子的个人用品、娱乐、长途电话及衣服都得自己掏钱。

5. Even young students who plan on staying in the United States just long enough to finish two semesters of high school have difficulty finding a host family.
    甚至那些计划在美国完成两个学期中学课程的年轻学生也很难找到接待家庭。

6. Before long he has begun his own private ´telephone´ service.
    不久他办起了自己的私人“电话”业务。

7. But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.
    但是，和我们相似的原始人生活的年代太久远了，因此，有关他们的传说既使有如今也失传了。

8. But can we blame those who looked and failed to see what Galileo saw, if we remember that to use a telescope at the limit of its powers calls for long experience and intimate familiarity with one´s instrument?
    但是，如果我们想到，便用一架倍数有限的望远镜需要长期的经验和对自己仪器的熟悉程度，那么我们怎么能去责备观察了天空但没有看到伽利略所看到的东西的那些人呢？

9. Before very long the parents will be complaining that the child is so secretive and never tells them anything,
    不要很久,家长就会抱怨孩子守口如瓶，什么事也不告诉他们，

10. But the chances are against it, and there is a virtual limit on how long we can hope to remain alive, however lucky and robust we are.
    但这种可能性很小。不管我们多么幸运，多么健壮，我们所希望的长寿实际上是有限度的。

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