名词
中文翻译:多孔砂岩
同义词:
['pebble-grained sandstone', 'porous sandstone']
例句:
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1. The ancient city is covered witha layer of pebbly sandstone.
这个古老的城市被一层多孔的砂岩覆盖。
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2. The builders used thistype of sandstone to create the wallsof the castle.
建筑师们使用这种砂岩来建造城堡的墙壁。
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3. The pebbly sandstone was formed by theslow accumulation of sediment over millions of years.
这种多孔的砂岩是由数百万年沉积物缓慢积累形成的。