1. But suppose the earth could be covered with sensors spaced one foot apart, rising at one-foot intervals all the way to the top of the atmosphere.
    假设地球上可以布满传感器，每个相隔1英尺，并按1英尺的间隔从地面一直排列到大气层的顶端。

2. The old furniture was covered in dust.
    旧家具上有尘土.

3. The breaking waves left the beach covered with foam.
    浪花弄得海滩都是泡沫.

4. The cloud formation covered the sun.
    云层遮住了太阳。

5. The road is covered with gravel.
    路面用砾石铺成。

6. The little-baskets were emply and the ground was covered with pieces of paper.
    废物筐空空如也, 而地上全是纸片.

7. The old man´s face was covered in lines and wrinkles.
    那老人的脸上布满皱纹和褶子.

8. The peaks are covered with snow all the year.
    山顶上终年积雪.

9. The terracesare are covered with grass.,
    那阶地上覆盖着青草.

10. The roof is covered with tiles.
    屋顶上覆盖着瓦。