marl

blue marl leggings

蓝底夹花纱线绑腿

牛津词典

Marlstone is a limestone based clay that acts similar Marl.

泥灰岩石是与泥灰作用相似的一种以石灰石为基础的粘土.

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I will lay the foundation of the roof with the marl.

我要用这些泥灰苫背屋顶.

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