Shared experience, not just common amusement or advancement, is the ground of friendship.

分享经历，而不是普通的娱乐或者进步，是友谊的基础。

youdao

The ground of this desert is made of clay.

这片沙漠的土壤是用粘土做的。

youdao

The mud is a feeding ground for large numbers of birds.

泥地是大量鸟类找寻食物的地区。

《柯林斯英汉双解大词典》

Yet up at about five-thousand-four hundred meters the air pressure is only about half of what it is on the ground.

VOA: special.2011.04.06

In other words, just want to know where the electron is somewhere within the shell radius of the ground state of atomic hydrogen anywhere.

换言之，我只是想知道,电子在哪,可以在氢原子基态下的半径,里面的任何地方。

麻省理工公开课 - 固态化学导论课程节选

Now, if this incident energy is great enough it will take an electron out of the ground state and promote it.

现在，如果入射能足够的话,它会将一个电子从基态中释放出来,并且加速它。

麻省理工公开课 - 固态化学导论课程节选

Dark meat embodies all the menace of dissolution into the nothingness that is the slimy ground of being itself!

FORBES: The Bizarre American Obsession With White Turkey Meat

This is the ground floor of something great.

WSJ: Jay-Z, Brooklyn Nets: The Nets Need a New Jay

He said under a Section 2, two doctors and a social worker assessed whether a patient should be detained in the "interest of their health which is the most common ground, or the interest of their safety or the interest of protecting others".

BBC: Tenerife beheading suspect 'needed after-care'