单词	adder's-fern
释义	adder's-fern noun plural adder's-ferns 1 : the common polypody (Polypodium vulgare) 2 : adder's-tongue sense 1 Word History First Known Use 1863, in the meaning defined at sense 1
随便看	sers sert sert island serta serto Sertoli cell sertoli's cell Sertoman sertomans Sertorius sertraline sertrum sertula Sertularia sertulariae sertularian sertularians sertularias sertularioid sertularoid sertule sertulum sertum sertums serule

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