单词	geometric series
释义	geometric series noun : a series (such as 1 + x + x2 + x3 + … ) whose terms form a geometric progression Word History First Known Use circa 1909, in the meaning defined above
随便看	scheduled caste scheduled class scheduler schedulers schedules scheduling scheelite scheelites schefferite schefflera schefflerae scheffleras Scheherazade scheherazadian scheib Scheibler's reagent Scheidemann Scheiner speed Schekman schel schel knitting Schelde scheldt Schelling schellingian

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