n. 锈菌类（rust 的复数）
v. 生锈（rust 的第三人称单数）
1.Iron alone rusts.
只有铁生锈。
2.Iron rusts in the moist air.
铁在潮湿的空气中会生锈。
3.Rusts Parasitic basidiomycete fungi of the order Uredinales.
锈菌目的一种寄生担子菌。
4.That makes it ideal for home users who aren't going to buy a new PC until the old one rusts underneath them.
对于那些除非电脑生锈都不想购买新电脑的家庭用户来说，这不失为一个理想的选择。
5.Iron and gold are different because iron rusts and gold does not.
铁和黄金不同，因为铁会生锈，而黄金不会。
6.It is always necessary to remove rusts and paints from the surfaces of materials in industry and daily life.
在工业和日常生活中经常需要去除物品的油漆和锈蚀，激光清洗对脱漆除锈颇有效果。
7.Wheat rusts spread as billions of spores in the wind.
小麦锈病通过风扩散其无数的孢子。