adj.生锈的；荒废的；锈色的
The spoon has been rusty from disuse. 汤匙因弃置不用而生锈了。
My oral English is pretty rusty. 我的英语口语全荒废了。
Staining may vary from dog to dog and may be light pink or a rusty brown in color. 而泪痕因狗而异,可能是浅粉红色或是锈褐色。
