1.【地】灰岩坑;落水洞
2.阴沟口;污水池;吸尘孔
3.藏垢纳污之所
1.a natural depression in the land surface, especially in limestone, where a stream flows underground into a passage or cave
2.a sunken area where waste collects
1.That this stress is increasing can be seen by the number of sinkholes and collapsing houses in the Seaway stretch zone.
这个压力的增长可以从地陷的数量和河道的拉伸区域中房屋的倒塌看出来。
2.Doctor said that sinkholes are created when the ground collapses into a void beneath the surface.
多科特说，地陷是由地表陷入地下空洞造成的。
3.All of this little blue dots freckled up and down the state of Florida are past instances of sinkholes.
所有这些向上和向下的小蓝点在佛罗里达州是过去的天坑实例。
4.Acidic water dissolves layers of limestone at the surface of the ground, resulting in shallow sinkholes or towering rock columns.
酸性的水对地表石灰层的逐渐侵蚀，有时腐蚀出浅显的岩坑，有时雕筑出高耸的岩柱。
5.In other words, if the area is in a stretch zone then crevasses or sinkholes or dropping ground can occur.
换句话说，如果这个区域是延伸的区域，那么裂缝或者排水口，又或者下陷的地面就会出现。
6.At Mammoth Cave, rainfall is distributed throughout the year, so sinkholes are shallower.
而在猛犸洞国家公园，雨量一年四季平均分布，因此灰岩坑较浅。
7.Sinkholes and shifting roadways are occurring from Pennsylvania through Tennessee and elsewhere.
从宾夕法尼亚到田纳西和别处，地陷和道路移位正在发生。
8.Another way sinkholes can form is if water enlarges a natural fracture in a limestone bedrock layer.
另一种落水洞形成的方式是水扩大了石灰岩基岩层的断层。
9.As with sinkholes and heaving and broken pavement, these are issues the establishment wants to keep from the general public.
天坑，路面裂缝和破裂越来越多，当局想要向大众隐瞒这些事实。
10.Sinkholes form over the voids, but what of the points of pressure?
天坑在空洞上方形成，但压力点是什么呢？