n.锈菌类
名词rust的复数形式.
Better to wear out than rust out. [谚]与其锈坏，不如用坏。
How can I remove the rust from the iron door? 我怎样才能把铁门上的锈除掉呢？
Flakes of rust are falling from the old iron pan. 一片片的锈从旧铁锅上落下。
