单词	spongin
释义	spongin noun spon·​gin ˈspən-jən  : a scleroprotein that is the chief constituent of flexible fibers found in certain sponge skeletons Example Sentences Recent Examples on the Web Horny sponges, also called modern keratose demosponges, have a skeleton with three dimensional branching made of a tough organic substance called spongin. Ashley Strickland, CNN, 28 July 2021 Word History Etymology German, from Latin spongia sponge First Known Use circa 1868, in the meaning defined above Medical Definition spongin noun spon·​gin ˈspən-jən  : a scleroprotein that is the chief constituent of flexible fibers in sponge skeletons
随便看	thrilling thrillinglier thrillingliest thrillingly thrills thrills and chills thrills and spills thrilly thrimble thrin thrinaces Thrinax thrinaxes thring thrinter thrip thripid Thripidae thripidaes thripides thripids thripped thrippence thripping thripple

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