rust

锈, 生锈, 衰退

a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture; a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi; the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water; any of various fungi causing rust disease in plants

生锈, 衰退

使生锈, 腐蚀

锈病