silver-grain

基本解释

C. Disperse unexposed silver grains on the film surface.
使胶片表面的显影液更新；
The results indicated that large amounts of non-natural silver grains existed in this branch of lead concentrates and the silver grains were distributed around the galena in a loose flocculating form.
结果表明，此批铅精矿含有大量的非天然银矿物，银颗粒呈疏松絮状物分布在方铅矿周围。
it is worth the while to see the silver grain sparkle when you split this wood;
当你劈开树木的时候，银色的细粒网闪发光，真值得鉴赏；
The grain crop has gone down this year.
今年的粮食作物产量下降了。
Acid had pitted the surface of the silver.
酸把银器的表面腐蚀了。