单词	Beta Persei
释义	Beta Persei noun Beta Per·​sei -ˈsē-ˌī  astronomy : algol Word History First Known Use 1839, in the meaning defined above
随便看	graved gravedigger gravediggers gravedo gravel gravel chickweed gravel culture gravel plant gravel roofing gravel stop gravel-bind gravel-blind gravel-grass graveled graveler graveless gravelest gravelier graveliest graveling gravelish gravelled graveller gravellest gravellier

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