| rust | |
| 级别 | 第7级 |
| 音标 | [ rʌst ] |
| 解释 | n.锈；vi.生锈；(脑子)衰退；vt.使生锈；腐蚀 |
| 英英释义 | a reddish brown substance that forms on the surface of iron and steel as a result of decay caused by reacting with air and water |
| 发音 |  |
| 例句 |
1. She scraped the rust off the kitchen knife. 她擦掉了菜刀上的锈。 2. The rain will rust the iron roof. 雨水会使铁皮屋顶生锈。 |
