1. Extreme cold will solidify water.
    寒冷可使水凝固。

2. Every apartment house has a water tank on its roof.
    每栋公寓房子都有一个水塔。

3. Even if a piped water supply is safe at its source, it is not always safe by the time it reaches the tap.
    即使管道供水系统在水源处安全的，等水到达龙头时就不一定总是安全的了。

4. Everyone was in high spirits.
    大家兴高采烈。

5. Except for one minor incident, he seemed to be in excellent health, never showing any signs of fatigue, and holding his magnificent head high.
    除了一件小事故，他看起来身体很好，从未显示出任何疲惫的迹象，高高地昂着他那尊贵的头。

6. 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。

7. Every year the United States is host to an average of 78,000 foreign high school level students, of which 3,000 are Brazilian.
    美国平均每年要接待78,000名中学学历程度的外国学生，其中3,000个来自巴西。

8. Engineers build huge storm pipes or sewers (污水沟) to carry the storm water away, but these cause another problem.
    工程师们就建造了巨大的雨水管道或下水道来把暴雨雨水排出去，但是这些设施会引起另一个问题。

9. Earth looks like a big blue marble (玻璃球); from high above the Earth and from the moon, the planet gleams and shines.
    地球看上去就像一个巨大的蓝色玻璃球, 从高高的地球上空或从月球上望去，这颗行星熠熠生辉，闪闪发光。

10. Especially the very young, the elderly and cigarette smokers are at high risk.
    尤其是孩子、老人和吸烟者受到的危害最为严重。