1. 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。

2. But a series of new environmental laws, together with the creation of parks and nature preserves that cover one quarter of the country, are aimed at protecting Costa Rica’s remaining forests.
    但是人们制订了一系列新的环境保护法，还新建了占四分之一国土面积的公园和自然保护区，目的是要保护哥斯达黎加现存的森林。

3. For there is seldom anything to cover them over.
    因为陆地上几乎没有什么东西覆盖它们。

4. We had money to cover small purchases, and, apart from wearing down-scale clothing, we did nothing in any of these settings to draw attention to ourselves; we merely shopped quietly in our accustomed manner.
    我们身上带有支付小金额货物的钱，而且除了穿低挡衣服外，我们没有在上述任何环境里做过任何吸引他人来注意我们的事；我们仅仅是以我们习惯的方式在静静地购物。

5. This temptation to cover the distance between himself and the reader,
    这种企图消除自己和读者之间距离的作法，

6. The room, which was fairly big, was furnished with large chairs and a round table with a green baize cover.
    房间相当大，里面装备着很多大椅子和一张覆盖着绿色台面呢的大圆桌。

7. They cover their eyes; they put their heads down; they sing to themselves; they try to play games or even fall asleep.
    他们或蒙上眼睛，或低头不看，或自己唱歌，或玩游戏，甚至还睡着了。

8. Now the slanting rays cover a much larger surface of the earth than the same number of rays coming straight down.
    此时，斜射的光线要比同样数量的直射的阳光在地表的照射面积大。

9. Health insurance does not cover AIDS, abortion and suicide, nor dental and eyesight bills.
    健康保险不包括艾滋病、人工流产和自杀后的治疗，也不支付治疗牙齿和配眼镜的费用。

10. Housing developments and shopping centers cover much of the Earth with paved and concrete surfaces.
    住宅区和购物中心使地球上许多地方的表面都铺上了混凝土。