资料来源 : pyDict

磨拉石; 磨砾层; 磨柱石

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

Molasse \Mo*lasse"\, n. [F. molasse, prob. fr. mollasse flabby,
   flimsy, fr. L. mollis soft.] (Geol.)
   A soft Tertiary sandstone; -- applied to a rock occurring in
   Switzerland. See Chart of {Geology}.