Examples (1-5 of 8)

shale reposing a bed of limestone

位于石灰层岩上面的油页岩

The walls leading up to the entrance are built in attractive limestone blocks.

通往入口的墙壁用非常显眼的石灰石块砌成。

Two steep limestone bluffs rise up each side of the narrow inlet.

两座陡峭的石灰石断崖耸立在狭窄的入口两侧。

There is limestone cropping out on the ridge above.

石灰石裸露在山脊各处。

The calcareous skeletons of this distinctive species have weathered out from the limestone matrix.

这一独特物种的钙质骨骼已在石灰石矩阵中风化。

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