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limestone

US [ˈlaɪmˌstoʊn]
UK [ˈlaɪmˌstəʊn]
  • n.石灰岩
  • Web石灰石;石粉;石灰石粉
Plural Form:limestones  
limestone
n.
1.
石灰岩a type of white stone that contains calcium , used in building and in making cement