1. When several elephants are being trained at one time, it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
    几只象同时训练时，通常是把新到的安置在两头训练得很好的大象的象厩中间，

2. The approximate time of their arrival will be five o´clock.
    他们约于五点到达。

3. The first records the arrival of longitudinal vibrations.
    第一种波记录了纵向震动的到达。

4. The first records the arrival of longitudinal vibrations.
    首先记录下的是纵向波的到达；

5. The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
    然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到过几分钟后能到达。

6. He was deeply apologetic about his late arrival.
    他对迟到深表歉意.

7. Her arrival coincided with our departure.
    她来到时我们正好离开.

8. About a month after her arrival, she taught me the word "water."
    在她到来后约莫一个月的这一天。她教我认得了“水”这个词。

9. All of us have experienced this sudden arrival of a new idea, but it is easiest to examine it in the great creative personalities, many of whom experienced it in an intensified form and have written it down in their life stories and letters.
    我们都有过灵机一动突然有了这样一个新想法的经历，而这在那些富有创造性的天才人物身上最显而易见。他们中的许多人对这种经历有着强烈的感受，并在回忆录和信函中将其记录了下来。

10. A new arrival on the anti-wrinkle front claims to be a more natural way to avoid those terrible lines.
    抗皱行列的一个新产品声称可以用一种更自然的方法来避免讨厌的皱纹。