1. By then, I was flat on my face on the pathway, its dirt against my forehead.
    这时，我已面朝下趴在了地上，地上的尘土紧贴着我的前额。

2. But then Sam lets go of the swing. He flies into the air and lands face down in the dirt.
    但就在此时，山姆从秋千上飞了出去，脸朝下摔在地上。

3. Wheels left grooves in a muddy dirt road .
    车轮在泥泞的路上留下凹痕。

4. Without grass and trees and bushes and, yes, dirt and mud to get dirty in, children miss an important part of childhood.
    没有了青草、没有了树木、没有了灌木，还有, 没有了弄脏他们手脚和衣服的污物泥土，孩子们就失去了童年生活中的一个重要组成部分。

5. His clothes were covered with dirt.
    他的衣服蒙上了灰尘.

6. Although most of the people bowed to Gessler, they spat into the dirt as they did so.
    虽然大部分阿尔托夫人都向他鞠躬, 但是他们一面往泥土地上啐唾 .

7. A pile of dirt was delivered to the garden.
    有一堆土已送到公园里去了。

8. One of the nannies I lunched with rushes over and picks her up and brushes dirt from her knees.
    跟我一块吃中饭的一名保姆赶紧冲过去，把她抱起来，拍打她膝盖上的灰尘。

9. Invariably the background was the same: dirt and poverty, and very uncomfortable.
    无论住在哪儿，情况都一样：肮脏、贫穷，极其不舒适。

10. In 1871, American inventor Ives McGaffey realized that if you turned an air pump (气泵) the opposite way, you would have a machine that could pick up dirt.
    1871年，美国发明家艾夫斯·麦加菲意识到,如果将气泵的转动反个向,它就会变成一台能吸起灰尘的机器。