ground on

基本解释

The ground on which Phoenix landed is icy, and is also rich in salts called perchlorates.
凤凰号探测器降落在结冰面的土地上，那里的土质富有过氯酸盐。
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.
约翰逊的意思是这样：以他的近视程度，他不得不四肢着地的趴在地上才可以看到那些对于植物学家来说必须要看到的东西。
In a just society, we walk around on the ground on two legs, thinking, feeling and choosing.
在一个公正的社会，我们在地上用两条腿走路，思考着、感受着、选择着。

But lawmakers have yet to find common ground on how to pay for it.
It says you are on the ground on two occasions.
在两个点你是在地面上的
耶鲁公开课 - 基础物理课程节选
But I am a novelist, not a critic, and I can excuse myself from explication de texte on that ground.
但我是个小说家，不是批评家，对于我以此为根据而说明,我可以为自己找借口。
耶鲁公开课 - 1945年后的美国小说课程节选

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