1. And near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.
    在这个地带的低处是很长的一段尾沙地段，基本上可以断定这个地段是大陆块体上侵蚀下来的物质被水冲到深水处形成的。

2. Algebra is beyond the comprehension of lower-class pupils.
    代数是低年级学生所无法理解的。

3. Jake took his wrecking ball all over lower Manhattan Island (曼哈顿) in New York. Painted on the sides of all his trucks were the words "The Most Destructive Force on Wall Street".
    他带着"球破碎机"走遍纽约的下曼哈顿区，在他所有卡车的两侧印着"华尔街最强大的破坏力"字样。

4. One bad winter we watched the river creep up the lower meadows.
    有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。

5. Once there, he would cling to the hand-rail until he reached the lower steps that the warmer tunnel air kept free of ice.
    一到那儿，他就紧抓着地铁通道口的扶手一直往下走，因为地铁内空气暖和,下面几级台阶没有冰雪。

6. Teachers gave consistently lower grades on essays apparently written by boys named Elmer and Hubert than they awarded to the same papers when the writer's names were given as Michael and David.
    教师老是给卷上名字为埃尔默和休伯特的男孩写的文章打较低的分数, 实际这是同样的两份卷子。