pot-holer

/'pɔt,həulə/ 43
A potholer is someone who goes into underground caves and tunnels as a leisure activity. 下潜洞穴者

noun [专属名词]洞穴探险者

Precautions of this sort are necessary, FOR it is impossible to FORetell the exact nature of the difficulties which will confront the pot-holer.

pot-holer 出现在下面的课文中
Lesson 42 Modern cavemen pot-holer 名词: 洞穴探险者
单词造句: