詞語：understratum
understratum的解釋
understratum[,ʌndə'strɑ:təm]n. 底層
understratum的意思
understratum 底板岩石;底層;地下層;下部地層;
understratum的參考例句
1.Film without internal and understratum, UV curing/varnish in the Interior of the plastic substrate is meaningless. 膜層內部和底層沒有徹底固化，那麼UV油墨/光油在塑料承印物內部的滲透是沒意義的。
2.A, grass-roots, also known as understratum, there are two kinds of cotton and paper. Coating is support, fixing paint. 基層，也稱底層，有棉布和紙張兩種。作用是支持塗料層，固著漆塗料。
3.The Complot of Post-Modern and "the Masses" Culture——An Analysis on the Culture Background of Current Literary Understratum Writing. 後現代與「大眾」文化的共謀——當前文學底層書寫的文化背景分析。