单词	trophospongia
释义	trophospongia noun troph·​o·​spon·​gia -pän- plural -s : the vascular spongy mucous membrane between the wall of the uterus and the trophoblast trophospongial ¦⸗⸗¦spənjēəl -pän- adjective Word History Etymology New Latin, from troph- + -spongia First Known Use 1889, in the meaning defined above
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