单词	polar circle
释义	polar circle noun : either of the two parallels of latitude each at a distance from a pole of the earth equal to about 23 degrees 27 minutes Word History First Known Use 1556, in the meaning defined above
随便看	endosporia endosporium endoss endostatin endostea endosteal endosteally endosternite endosteum endosteums endostoma endostomas endostomata endostome endostoses endostosis endostraca endostracal endostracum endostyle endostyles endosulfan endosulfans endosymbiont endosymbionts

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