marl
US /mɑːrl/
UK /mɑːrl/
名词
1.
泥灰岩
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):
示例:
•
Higher slopes reveal widening seams of calcareous marl.
在 Lingoland 学习这个单词