cover意思是覆盖，动词，词组cover sth with或者be covered with.所以cover后面的介词用with.
cover没有介词。
The rabbits hurried noiselessly for cover .
兔子匆匆无声地四散隐匿。
On the cover are the words " first draft " ..
封面上有“初稿”字样。
Flood water covered the fields by the river .
洪水淹没了河边的田地。
Cover her while i phone the police .
你用枪看住她，我给警方打电话。
Mary has bought a lace cover for the table .
玛莉买了一块网眼台布。
