ground

The apple fell from the tree and landed softly on the ground.

(Chinese) 苹果从树上掉下来，轻轻地落在地上。

He sat on the ground and leaned against the old oak tree.

(Chinese) 他坐在地上，靠在那棵老橡树上。

All commercial flights were grounded due to the thick volcanic ash in the air.

(Chinese) 由于空气中弥漫着浓厚的火山灰，所有商业航班都被停飞。

The airline grounded the pilot until the safety investigation was completed.

(Chinese) 航空公司让这名飞行员停飞，直到安全调查结束。

His parents decided to ground him for a week after he failed his math exam.

(Chinese) 在他数学考试不及格后，父母决定对他禁足一周。

I'm grounded, so I can't go to the cinema with you this Friday.

(Chinese) 我被禁足了，所以这周五不能和你一起去电影院。