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sinkhole

/'siŋkhәul/

📖 中文释义

  1. n. 阴沟口, 污水坑
  2. [化] 缩孔
📘 English Definition(英文释义)
  1. n. a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof