单词	Steller's sea cow
释义	Steller's sea cow noun : an extinct very large sirenian (Hydrodamalis gigas) formerly common near the Asian coast of the Bering Sea Word History First Known Use 1814, in the meaning defined above
随便看	spergulae Spergularia spergulariae spergularias spergulas sperling sperlings sperm sperm bank sperm candle sperm cell sperm center sperm centrosome sperm count sperm donor sperm nucleus sperm oil sperm receptor sperm sac sperm whale sperm whaling sperm-aster sperm-whale porpoise sperma- spermaceti

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