本文论述了桑岛的碳酸盐岩的组成特征、岩溶作用的条件和岩溶发育的特征。
The article deals with the composition and texture of carbonate rocks , the conditions of karst , the features of karst development in the Zanzibar Island .
桑得森据说住在岛上的某个地方。
Sanderson is reputedly living somewhere on the island .
桑岛