lime-stone
柯林斯词典
1. N-MASS Limestone is a whitish-coloured rock which is used for building and for making cement. 石灰岩
...high limestone cliffs. …高耸的石灰岩峭壁。
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1. N-MASS Limestone is a whitish-coloured rock which is used for building and for making cement. 石灰岩
...high limestone cliffs. …高耸的石灰岩峭壁。