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sinkhole

US ['sɪŋkhəʊl]
UK ['sɪŋkhəʊl]
  • n.落水洞(在地下,雨水长期渗落形成)
  • Web天坑;沉洞;污水池
Plural Form:sinkholes  
sinkhole
n.
1.
落水洞(在地下,雨水长期渗落形成)a large hole in the ground that a river flows into, created over a long period of time by water that has fallen as rain