speleologistsˌspiːlɪˈɒlədʒɪstsCOCA²⁸⁰¹³⁶⁺⁵BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 n.洞穴学家原型speleologist的复数 Speleologists claim, that it is one of the most beautiful caves on the planet and one of the most frequently visited ones in Europe. 洞穴学者声称此溶洞是地球上最美的洞穴之一,同是也是欧洲游客们经常游览的地方。 yeeyan