n. the state of being covered with unclean things
s. (of roads) not leveled or drained; unsuitable for all year travel
n. 污垢, 泥土
[化] 污垢
1. The kids played in the dirt at the park.
孩子们在公园里的泥土里玩耍。
2. She wiped the dirt off her shoes before entering the house.
她在进屋之前把鞋子上的泥土擦掉。
3. The gardener added fresh dirt to the flower beds.
园丁在花坛中添加了新土。