sink hole

 
       
  • 缩孔,灰岩坑
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sink hole的英文翻译是什么意思,词典释义与在线翻译:

英英释义

名词 sinkhole:
  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

今日热词
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