rust
复数形式
rusts
1
锈, 铁锈
a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
2
3
锈
the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
同义词：
4
锈病
a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi