a type of rock or soil with very fine grains, often used as a fertilizer (= a substance spread on soil to make plants grow well)

Higher slopes reveal widening seams of calcareous marl. 在较高的山坡上，钙质泥灰岩的缝隙不断扩大。

This problem may be counteracted by a top-dressing of marl and compost. 这个问题可以用泥灰和堆肥来解决。

a yarn (= thread used for knitting) made by twisting different colours together

Marl is often used in knitwear. 夹花线常用于针织品。

Shetland marl is a chunky yarn. 设得兰夹花线是一种非常厚实的毛线。

cloth with areas of different colours that do not form a regular pattern, made from marl yarn (= thread for knitting)

Marl is made by combining two different coloured yarns in the thread which is used to construct the fabric. 夹花线由两种不同颜色的纱线拧合而成，用来织成衣料。

a grey marl sweatshirt 灰色夹花线无领长袖衫