floatstone

n. 浮石

词形变化

floatstones 复数 floatstones

释义与例句

n.
  1. 1.

    A kind of calcareous rock, more than 10% of which is made up of grains larger than two millimetres, and which is matrix-supported.

    可数 不可数

词源

From float + stone.

来源：wiktionary