The iron horse has a silverstick. The stick can be stretched as a crutch, also can be shorten and put into his pocket.
铁皮马有一根银手杖，拉长时被用作拐杖，缩短时，可以装进口袋。
2
One popular use of nanotechnology is adding an ultrathin silver coating on kitchenware such as knives and forks so that bacteria can't stick to the surface.
纳米技术的一个流行的应用是在厨具表面添加极薄的镀银层，比如刀叉，这样可以阻止细菌附着在厨具的表面。
3
Stick two small white or silver feathers into the Styrofoam ball to serve as the wings of the snitch.