base n.底部；基地；基础；基数；基线；(棒球)垒；[化]碱vt.以...作基础adj.卑鄙的；不道德的
film n.电影；薄膜；胶卷vt.把...拍成电影；给...覆上一薄层；拍照片vi.变朦胧；拍摄电影
双语例句
Microscopic needle-shaped crystals of herapathite are embedded in a plastic base. 将碘硫酸奎宁的微观针状晶体嵌于塑料片基之中。
Thinner sheets of tough and can be used as colloidal silver compounds based on-chip, so that it became the first practical photographic film. 更薄和更韧的薄片可以用作胶状银化合物的片基，这样它就成了第一种实用的照相底片。
