资料来源 : pyDict

粘土

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Clunch \Clunch\, n. [Perh. fr. clinch to make fast]
   1. (Mining) Indurated clay. See {Bind}, n., 3.

   2. One of the hard beds of the lower chalk. --Dana.

资料来源 : WordNet®

clunch
     n : hardened clay