名词
中文翻译：Unknown
同义词：
['rust', 'corrosion']
例句：
-
1. The iron has been exposed to the air for too long, causing rust.
铁暴露在空气中时间过长，导致生锈。
-
2. The paint on the old car is starting to rust.
旧车上的油漆开始生锈了。
-
3. The metal was severely corroded by the acid.
金属严重被酸腐蚀了。