锈(鏽)xiù 1.铜、铁等金属表面在潮湿空气中氧化形成的物质。{rust; matter formed by oxidation on the surface of copper, iron or other metals during exposure to air and moisture} 2.生锈{become rusty}: 刀刃都～了{The blade is rusty.}|锁～住了,开不开。{The lock is rusty and cannot be opened.} 3.指锈病{rust}: 查～灭～。{Find out the rust and eliminate it.}