1. Replace the batteries and refasten the cover.
   请更换电池,再将盖子盖紧.
2. He glued the cover to the book.
   他用胶把封面粘到那本书上。
3. The ground was sparsely covered with grass.
   地面上稀疏地覆盖草丛。
4. This business is a cover for unlawful activity.
   这家商行是搞非法活动的隐蔽处。
5. He drew his rifle from its sacking cover.
   他从麻布枪套里抽出步枪。
6. Always keep food covered to prevent contamination by flies.
   时常把食物盖着以防苍蝇污染。
7. Have you reviewed what we covered in class yesterday?
   昨天我们课堂上讲的东西你们复习了吗?
8. Cosmetics do not always cover up the deficiencies of nature.
   化妆品未能掩饰天生的缺陷。
9. The inside of a chimney soon gets covered in soot.
   烟囱里面很快就覆盖了一层煤烟。
10. Once the cargo has been shipped, insurance can be covered instantaneously.
    货物一旦发出，我会立即投保。
11. The land was flat and treeless and provided no cover for the troops.
    该地平坦而又没有树木， 军队无法隐蔽。
12. I can't get the cover off this box; it's been glued on.
    箱盖粘在箱子上了, 我拆不下来。
13. Can you help me pry the cover off this wooden box without breaking it?
    你能不能帮我不打破这个木箱盖而撬开它?
14. His skin was covered with unsightly blotches.
    他的皮肤上长满了难看的疹块。
15. Humanity in bathing suits covered the sand.
    海滩上全是穿着泳装的人。
16. The skimpy rug barely covers the floor.
    不够大的地毯勉强盖住了地板。
17. The stone stairway was covered with lichen.
    那石级长满了地衣。
18. She covered the table with a cloth.
    她用一块布把桌子罩起来。
19. These expenses are covered by the state.
    这些费用都由国家负担。
20. She tucked in the covers on the bed.
    她掖好床上的被子。

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