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。
For example, near Beijing the wall is constructed from quarried limestone blocks.
例如，北京附近的城墙是用露天石灰石岩块。
He and friends spent years lugging in cement and rearranging limestone blocks to build benches, a table, a sleeping platform.
他和他的朋友花了几年的时间，搬运来水泥将这里的石灰岩拼接堆砌做出一些长椅、一个桌子还有一张床。
In 1987, a team from the National Geographic Society drilled a hole through one of the limestone blocks sealing the chamber from above, and inserted a video camera.
1987年，国家地理协会的一组工作人员来在地下室封口的一块石灰石上钻孔，安装了一个录像机。
In return for a cozy, safe place to live, the algae provide the building blocks polps need to survive and make limestone to build the reef structures.
进而为了使珊瑚虫有一个舒适和安全的住所，海藻为珊瑚虫提供了能够存活的建筑模块，从而造成了石灰岩来构建成礁结构。
In return for a cozy, safe place to live, the algae provide the building blocks polps need to survive and make limestone to build the reef structures.
进而为了使珊瑚虫有一个舒适和安全的住所，海藻为珊瑚虫提供了能够存活的建筑模块，从而造成了石灰岩来构建成礁结构。
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