单词	planetology
释义	planetology noun plan·​et·​ol·​o·​gy ˌpla-nə-ˈtä-lə-jē  plural planetologies : a branch of astronomy that deals with the condensed matter of the solar system and especially with the planets and their moons planetological ˌpla-nə-tə-ˈlä-ji-kəl  adjective planetologist ˌpla-nə-ˈtä-lə-jist  noun Word History First Known Use 1865, in the meaning defined above
随便看	islets islets of langerhans isling Islington islot ism ism-le ismaelians Ismaelism ismail Ismaili Ismailia ismailian ismailians ismailis Ismailism Ismailite Ismailitic ismaʽili ismene isms Ismāʽīl Pasha isn't isn't on isnad

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