名词
中文翻译：自由石
同义词：
['freestone', 'freestone slab']
例句：
-
1.The freestone in the riverbed is smooth and cool to the touch.
河床中的自由石光滑凉爽。
-
2. The freestone slab was used as a countertop in the kitchen.
厨房的柜台是用自由石制成的。
-
3.The freestone slab has been polished to a high shine.
自由石被打磨得非常光亮。