Speleology
[ [?spi:li'?l?d?i] ]
出國 Abroad
n. 洞穴學
?? 例句
physical speleology
天然洞穴學
? 同義詞
?? 牛津釋義
speleology
(also spelaeology), n [U]
1 scientific study and exploration of caves 洞穴學.
2 sport of walking in and exploring caves 洞穴探險（運動）.
??? 情景例句
What are you up to?
你呢？你怎樣？
The wife is the key of the house.
妻子是一家的鑰匙。
Give me a hand!
幫幫我！