solid surface of the earth
piece of land used for a particular purpose
large area of land or sea used for the stated purpose
land or gardens round a building, often enclosed with walls, hedges or fences
touch the sea bottoms; (of aircraft, airmen) compel to stay on the ground
lay on the ground
"the plane turned away from the sea and moved back over land"
"the earth shook for several minutes"
"he dropped the logs on the ground"
"the reason that war was declared"
"the grounds for their declaration"
"they dug into the earth outside the church"
"they were on a friendly footing"
"he worked on an interim basis"
"they gained ground step by step"
"they fought to regain the lost ground"
"he posed her against a background of rolling hills"
"the land had never been plowed"
"good agricultural soil"
"anchor the lamppost in concrete"
"After the accident, they grounded the plane and the pilot"
"the storm grounded the ship"
"he grounded to the second baseman"
"ground the electrical connections for safety reasons"
"base a claim on some observation"
We praised God from the ground of the heart.
A large part of altruism,..is grounded upon the fact that it is uncomfortable to have unhappy people about.
出自： H. L. Mencken
Culture itself is grounded in man's highly specific psycho-biological nature.
出自： P. Fuller
He grounded himself thoroughly in mathematics.
The class is well grounded in grammar.
Every educated man of the 19th century was well grounded in Latin and Greek.19
I don't know how well this young lawyer performs in court, but at least he's well grounded in the principles of such cases.