[mass noun]an unconsolidated sedimentary rock or soil consisting of clay and lime, formerly used typically as fertilizer (旧时多用作肥料)泥灰,泥灰土,泥灰岩
verb
[with obj.](常作 be marled)apply marl to 给…施加泥灰
派生 marly adjective 语源
Middle English: from Old French marle, from medieval Latin margila, from Latin marga, of Celtic origin
marl2 noun
[mass noun][usu. as modifier]a mottled yarn of differently coloured threads, or fabric made from this yarn (不同颜色的线纺成的)杂色纱线;杂色纱线织物 blue marl leggings. 蓝底杂色纱护腿。