spelunking

US [spəˈlʌŋkɪŋ]
UK [spɪˈlʌŋkɪŋ]
  • n.洞穴探察;洞穴探险
  • Web探洞;探堪深穴;洞穴探查
spelunking
n.
1.
洞穴探察;洞穴探险the sport or activity of going into caves under the ground
— see also
caving

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard