coverage = cover(盖) + age(表名词) = 对事情的覆盖→范围
discover = dis(不,非) + cover(盖) = 把盖揭开→发现
For the same reason, the builders of Japanese pagodas seem to have further increased their weight by choosing to cover these extended eaves not with the porcelain tiles of many Chinese pagodas but with much heavier earthenware tiles.
The clouds had spread and nearly covered the entire sky.
Two oil slicks are covering a total area of seven square miles.
The trees in your garden may have covered the ground with apples, pears, or plums.
The bases of those cliffs are covered in poison ivy.
This salesman covers your area.
Other subjects covered included nerves and how to overcome them.
£50 will cover my expenses.
Send it to the address given with £1.50 to cover postage and administration.
vt. to cover yourself with sth：为自己披上；赢得
She has covered herself with glory.
You should take out travel insurance covering you and your family against theft.
Their insurer paid the £900 bill, even though the policy did not strictly cover it.
These items are not covered by your medical insurance.
The US news media will cover the trial closely.
You go first. I'll cover you.
if I go outside without my head covered
He must make a decent living from other artists covering his songs.
It covered the distance in 28 hours compared with the train's six days.
The law covers four categories of experiments.
Like any other commodity, pedigree dogs are covered by the Sale of Goods Act.
His finger went up to touch the black patch which covered his left eye.
Cover jars without fastening them down.
She covered her face with her hands.
Cover the casserole with a tight-fitting lid.
vi. to cover your ass：盖住你的屁股（指为自己留退路）；参见：covered
No one to cover your ass now, eh Tommy?
vi. to cover your back;to cover your rear：给自己留后手；为自己留退路
The canny Premier covered his back by pointing out that he was of Scottish stock.
n. to blow sb's cover：揭某人老底；暴露某人身份
Asking those kind of questions could blow my cover.
The young man looked embarrassed, as if he were a spy whose cover had been blown.
n. to break cover：从隐藏处冲出来
They began running again, broke cover, and dashed towards the road.
n. to read sth from cover to cover：从头到尾读某物
I used to read every issue from cover to cover.
n. to run for cover;to take cover：躲避
Shoppers took cover behind cars as police marksmen returned fire.
n. under cover of sth：在某物的掩护下
They move under cover of darkness.
n. under cover：躲藏着；在隐蔽处
`Get under cover!' shouted Billy, and we darted once more for the tables.
a small spiral-bound booklet with a green cover
On the front cover was a picture of a woman.
If you haven’t organised an annual insurance policy of your own you'll need to take out the low-cost cover we offer and we require that you arrange this when you make your holiday reservation.
It would be shocking if it were to become a cover for murder.
They crossed to the other side of the stream in search of cover.
They said they could not provide adequate air cover for ground operations.
The single is a cover of an old Rolling Stones song.
She set her glass down and slid farther under the covers.
a family room with washable covers on the furniture
barren wastes of field with no trees and no cover
n. on cover：（邮票）在盖销封上