1. Elephants like to have one master just as dogs do, and are capable of a considerable degree of personal affection.
    大象和狗一样，喜欢有一个专一的主人，而且会对主人产生相当深厚的私人感情。

2. 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。

3. But studies have found that although fathers' income usually exceeds mothers' income, women usually contribute a larger proportion of their income to their household, while men keep more for their personal use, such as for entertainment.
    但已有研究发现，尽管父亲的收入通常要超过母亲的收入，母亲通常会将自己大部分的收入用于家庭，而父亲却多用于个人消费，如娱乐等。

4. It cannot judge distances, depths. Later, for its personal safety and practical needs, it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
    不会判断距离和深度。慢慢地，由于自身安全和实际需要，儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。

5. Who has not stood in awe at the sight of a spider pouncing on a fly, or a column of ants triumphantly bearing home an enormous dead beetle?
    当看到蜘蛛扑向一只苍蝇时，一队蚂蚁抬着一只巨大的死甲虫凯旋归时，谁能不感到敬畏呢?

6. We, therefore, save most personal visiting for after-work hours or for social weekend gatherings.
    因此我们把大多数个人间的拜访放在下班以后的时间里或周末的社交聚会上进行。

7. We produce a steady flow of labor-saving devices; we communicate rapidly through faxes, phone calls or emails rather than through personal contacts,
    我们发明了一系列节省劳力的装置；我们通过发传真、打电话或发电子邮件与他人迅速地进行交流, 而不是通过直接接触。

8. The chest contained the personal belongings of a seaman, Alan Fielding.
    实际上，他们所找到的是一条多年前沉没的船。

9. The chest contained the personal belongings of a seaman, Alan Fielding.
    木箱内装有水手艾伦.菲尔丁的私人财物，

10. Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
    虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑--即我们常说的PC机--所代替了。