ground on

基本解釋

The ground on which Phoenix landed is icy, and is also rich in salts called perchlorates.
鳳凰號探測器降落在結(jié)冰面的土地上，那里的土質(zhì)富有過氯酸鹽。
ecocn.org
What Johnson meant was that with his shortsightedness he'd have to creep along the ground on all fours to be able to see those things that it is necessary for a botanist to see.
約翰遜的意思是這樣：以他的近視程度，他不得不四肢著地的趴在地上才可以看到那些對于植物學(xué)家來說必須要看到的東西。
In a just society, we walk around on the ground on two legs, thinking, feeling and choosing.
在一個公正的社會，我們在地上用兩條腿走路，思考著、感受著、選擇著。

But lawmakers have yet to find common ground on how to pay for it.
It says you are on the ground on two occasions.
在兩個點你是在地面上的
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選
But I am a novelist, not a critic, and I can excuse myself from explication de texte on that ground.
但我是個小說家，不是批評家，對于我以此為根據(jù)而說明,我可以為自己找借口。
耶魯公開課 - 1945年后的美國小說課程節(jié)選

The Flynns broke ground on the casino in October 1999, touching off a flurry of litigation and inquiry.
FORBES: The Big Money Pit