Phrase
swallow hole
/ˈswɔləu həul/
noun
石灰坑，落水洞
a hole in the ground formed by the collapse of a surface layer, typically in limestone areas, through which water may drain
常见于喀斯特地貌
- 1.
a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
与地下通道相通的地面凹陷(尤其在石灰岩中),由溶解或洞穴顶塌陷形成
与地下通道相通的地面凹陷(尤其在石灰岩中),由溶解或洞穴顶塌陷形成；石灰坑
In use
The heavy rain caused a swallow hole to open in the meadow.
Hikers must be cautious near swallow holes, as the ground may collapse.
Over centuries, water erosion created a deep swallow hole in the limestone plateau.
a/an [adj] swallow hole
形容词描述石灰坑的特征。
A deep swallow hole can be dangerous.
深的石灰坑可能很危险。
verb + a swallow hole
V 表示动作动词，如 explore, form, examine 等。
Geologists explored the swallow hole.
地质学家探索了那个石灰坑。
prep + a swallow hole
常用的介词有 into, in, out of 等。
Connections
Confusing words
- sinkhole
- 天坑 · swallow hole 特指石灰岩地区的落水洞，而 sinkhole 更通用，指任何因地表塌陷形成的坑。
Learner notes
Grammar Note
通常用于地质描述
Dictionary facts from ECDICT, WIKTIONARY.