dirt

The children came inside from the garden with their clothes covered in thick brown dirt.

(Chinese) 孩子们从花园进来时，衣服上沾满了厚厚的棕色污垢。

Use a damp cloth to wipe the dirt off the computer screen before you start working.

(Chinese) 开始工作前，用湿布擦掉电脑屏幕上的灰尘。

The workers dug a large hole in the dirt to plant the new oak tree in the park.

(Chinese) 工人们在土里挖了一个大坑，准备在公园里种下这棵新的橡树。

Dirt roads in the countryside can become very muddy and difficult to drive on after a heavy rain.

(Chinese) 大雨过后，乡间的土路会变得非常泥泞，难以行驶。