| 31. | Better to wear out than rust out. |
| 【谚】与其锈坏，不如用坏。
|
| 32. | Rust gnawed away the sword. |
| 锈把剑腐蚀了。
|
| 33. | The iron had become overlaid with rust . |
| 铁上生了一层锈。
|
| 34. | badly corroded with rust |
| 严重锈蚀的
|
| 35. | rust remover |
| 除锈剂
|
| 36. | provide a guarantee against rust |
| 保不生锈
|
| 37. | scratch the rust off the wheel |
| 把轮子上的锈刮掉
|
| 38. | a substance that will prevent rust |
| 防锈物质
|
| 39. | be eaten away with rust |
| 锈坏
|
| 40. | wheat rust |
| 小麦黑锈病。
|