sinkholes

 
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sinkholes的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 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

今日熱詞
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