spelunking

n. 洞穴探察, 对探察洞穴的爱好

词形变化

spelunkings 复数 spelunkings

释义与例句

n.
  1. 1.

    The practice or hobby of exploring underground caverns.

    不可数
v.
  1. 1.

    present participle and gerund of spelunk

词源

From spelunk + -ing. Back-formation from spelunker. Attested since 1946.

来源：wiktionary