1. 下陷;坍陷：cavernous marble 含溶洞大理石 | caving 下陷;坍陷 | cavity 中空部分;穴
2. 空泡形成：causticlime生石灰 | caving空泡形成 | cavitatingflow气穴流涡空流
3. 落顶开采：cavernous vein 孔穴矿脉 | caving 落顶开采 | caving chock 木垛
4. 塌落：cavernous structure 洞穴状构造 | caving 塌落 | caving line 崩落线
1. Exploration of water has led to land caving and a declining ground water level.
2. Iranian officials have angrily denied being behind in its payments and accuse the Kremlin of caving in to Western pressure.
3. So, what attracts caving enthusiasts to risk their lives and explore these caverns?
4. There are 13 expedition members in all, most from the British military's Combined Services Caving Association.
5. Iranian officials denied any payment delays under the $ 1 billion contract and accused Russia of caving in to Western pressure.
6. 911查询·英语单词
6. Caving in to US and Palestinian pressure to extend the freeze could bring down the conservative Israeli governing coalition.
7. Iranian officials denied any payment delays under the US $ 1 billion contract, and accused Russia of caving in to Western pressure.
8. In his spare time, he is a keen member of the university caving club.
9. Sovereign nations don't like to be seen caving in to pressure from other countries.
10. Opponents accuse him of caving in to Palestinian violence and abandoning the dream of full control over the biblical Land of Israel.