照片摄于十月份，这是通向莫蒂默洞穴的正面入口(图片下方中部)，诺丁汉城堡的另一个地下洞穴通道，从宫殿向下延伸。
Pictured in October, the foreboding entrance to Mortimer's Hole (bottom center), another cave passage beneath Nottingham Castle, beckons downhill from the palace itself.
一项最新勘探结果显示，最近在越南偏远丛林地区发现的一个大型洞穴是迄今为止发现的世界上最大的单个洞穴通道。
A recent exploration results show that in remote jungle areas in Vietnam has recently found a large cave so far discovered in the world's largest single cave passage.
水井穿过狭窄的通道，最终进入一个巨大的洞穴。
Wells clawed through narrow passages, and eventually into a huge chamber.
其中的一些洞穴通过陡峭的入口通道或立井通向地面，深达160英尺。
Some of the caves were open to the surface through steep entryways or vertical shafts stretching up to 160 feet.
人们最近通过数码重建技术展示出莫蒂默洞穴的通道线路，这条通道穿过诺丁汉石头城堡。
Mortimer's Hole is laid bare in a recent digital reconstruction of the passage through Nottingham's Castle Rock.
画在阿尔塔米拉洞穴的“多彩大厅(旧石器时代赭红色的一段通道)”里的麋鹿。
A deer painted in Altamira cave's "Polychrome Hall," a passage full of red ochre Paleolithic paintings. To the lower left are sensors to measure temperature and humidity in the cave.
那鼹鼠在地底下挖掘洞穴和通道，并且把家造于其间。
The mole digs holes and passages underground and makes its home in them.
世界上最长的已知洞穴系统是在Kentucky的Mammoth洞穴，有着至少580千米的通道。
The longest known system in the world is Mammoth Cave in Kentucky with at least 580 kilometers of passageways.
在这些绝缘地下通道，熔岩流能够继续对许多英里直到熔岩源，获取切断，留下了'离开洞穴。
Within these insulated underground passages the molten lava can continue to flow for many miles, until the source of the lava gets cut off, leaving behind a 'cave.
挖掘洞穴、矿井、通道等。
斯古费尔是一个圆形洞穴，入口处有通向左右两边的通道。
Skûmfil is a large circular cave with paths leading left and right from the entrance.
想象人们住在一个地下洞穴之中的情形，一个出口通向光明，一条漫长的通道引向洞内。
Imagine the condition of men living in a sort of cavernous chamber underground, with an entrance open to the light and a long passage all down the cave.
此外，我们的人在地球内指导着地下通道、洞穴和内在的民居。
In addition, our people can be found within Earth guarding the tunnels, caves and Inner dwellings there.
当洞穴被阻挡导致空气不能通过通道时就产生高音，而有更多空气通过通道时则产生低音。
The high sounds are produced when the air is prevented by the holes from going through, while the low sounds are produced by allowing more of the air to pass.
可能是由于建造Assumption教堂后，挡住通往洞穴的通道，入口被改到西北边。
The entrance was changed to the north-west, probably after the church of the Assumption was built, since this blocked the pathway leading to the grotto.
可能是由于建造Assumption教堂后，挡住通往洞穴的通道，入口被改到西北边。
The entrance was changed to the north-west, probably after the church of the Assumption was built, since this blocked the pathway leading to the grotto.
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