tarnish造句
The
tarnish lay thick on the inside of the ring.
戒指内侧有一层厚厚的锈斑。
Moisture leads to the
tarnish of the silverware.
湿气使得银器毫无光泽.
Wear cotton gloves when cleaning silver, because the acid in your skin can
tarnish the metal.
清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。