sink hole

 
       
  • 縮孔,灰岩坑
new

sink hole的英文翻譯是什麼意思,詞典釋義與在線翻譯:

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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