freestone易切砂岩、易劈石、離核、離核果實學術名詞易碎砂岩:海洋地質學、地質學軟砂石:礦冶工程夫力史東:外國地名易刻石:礦物學易劈石:海洋地質學英文釋義fruit (especially peach) whose flesh does not adhere to the pit