Speleologist
n. 洞穴學家
? 同義詞
?? 牛津釋義
speleologist
(also spelaeologist), n scientist who studies caves; expert in speleology 洞穴學學者; 洞穴探險家.
??? 情景例句
Now the hard work begins.
艱苦的工作現在開始了。
Man is the artificer of his own happiness.
人之幸福，自己創造。
but while the drum was being shaken,
但是，圓筒受到震動，