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floatstone的音標：floatstone的英式發(fā)音音標為：['fl??tst??n]floatstone的美式發(fā)音音標為：['flo?t?sto?n]...

n.浮石，磨磚用的磨石...

In this study , F - K anti - stalking agents of fruits and vegetables were obtained from natural floatstone.用天然浮石為主要原料加工制得了F -K 蔬菜水果保鮮劑....