He had always wanted to go caving.
他过去一直想探索洞穴。
Let us go caving with Ms Dwigt.
我们和德怀女士一起去挖洞吧。
Go cave exploring. Contact North Wales Caving Club, which organises weekly trips with the potential for significant new discoveries as well as mine explorations.
去进行洞穴探险。联系北威尔士探洞俱乐部。他们每周组织一次旅行，潜在重大发现的可能和矿藏勘探的意义。
Where to find: caving can be very risky, so consult local travel agents and go in groups with professional cavers.
去哪里：洞穴探险危险系数可能会很高，所以要咨询当地的旅行社并与专业洞穴探险者一同前往。
Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling, to mak them as a whole, so as to go-through the caving zone safely and smoothly.
详细介绍了采用埋管注浆方法充填加固冒落段巷道顶板及围岩，使之胶结成为整体，从而安全顺利地通过该冒落带的施工技术。
Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling, to mak them as a whole, so as to go-through the caving zone safely and smoothly.
详细介绍了采用埋管注浆方法充填加固冒落段巷道顶板及围岩，使之胶结成为整体，从而安全顺利地通过该冒落带的施工技术。
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