释义 |
trass \ˈtras\ noun also ter·race or tar·ras \təˈras\ (plural trasses also terraces or tarrases) Etymology: Dutch trass, terras, from French terrasse pile of earth, terrace, from Middle French — more at terrace : a light-colored volcanic tuff resembling pozzolana in composition and occurring especially on the lower Rhine where it is ground for use in a hydraulic cement |