1. The cloud is low.
    云很低.

2. The morale of the football team was very low after its defeat.
    比赛失败后，这支足球队的士气非常低落。

3. The boys pitched a tent by the river.
    男孩子们在河边搭起了帐篷。

4. The administrative overheads of a business are low to the extent that everyone working in the business can be trusted to behave in a way that best promotes the interests of the firm.
    如果企业中的每个人都在真诚地为提高企业利润而工作，那么企业的管理费用就会降低到相应的程度。

5. Two men walked slowly, one after the other, through the low water of a river.
    两个人，一前一后，慢慢地趟过浅浅的小河。

6. To solve this problem, ask people in the community who can draw well to create low-literacy AIDS education publications.
    为解决这一问题，请了善于绘画的人来编写适合于教育程度低的居民阅读的艾滋病教育图书。

7. The first and most common is having low iron reserves, a condition that typically has no symptoms.
    第一也即最常见的阶段，是铁离子储量不足。这一阶段没有典型症状。

8. The low attendance is in spite of commitments they made at the outset of the program when Hyde officials interviewed 300 families.
    这一低出席率违背了他们在教学计划开始实施时所做的承诺，当时海德中学的官员曾走访了300个家庭。

9. They should regularly check and reinforce their homes, place heavy objects in low positions, attach cupboards and cabinets to walls, and fasten doors so that they will not open accidentally during an earthquake.
    他们应当定期检查和加固房屋，将重物放在低处，将碗橱和柜子贴墙放置，加固房门以防地震时突然脱开。

10. Now, 500 years later, excessive fishing has reduced the number of fish to dangerously low levels.
    500年以后的今天，过度捕捞已使鱼的数量减少到危险的程度。