sinkhole
🇬🇧/ˈsɪŋkhəʊl/ 🇺🇸/ˈsɪŋkhoʊl/
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a depression in the ground surface, esp in limestone, where a surface stream disappears underground 落水洞; 尤指石灰石地面下陷，地表水消失于地下 (Also called (esp Brit) swallow hole)
noun [专属名词] 污水坑；排水口；阴沟口
The sinkhole was caused by rains and an underground sewageflow. 这个塌方的污水池是由于雨水和地下污水流动造成的。
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- These photos are of a sinkhole that occurred early this year in Guatemala. 这些是今年早些时候在危地马拉的Sinkhole洞拍的照片。