单词	allantoic bladder
释义	allantoic bladder noun : a urinary bladder derived (as in certain vertebrates) from the allantois Word History First Known Use 1866, in the meaning defined above
随便看	refel refell refelled refelling refels refelt refenced refences refencing refer refer (to) refer to refer to as referable referee Rugby Union football rugel's plantain rugelach rugg rugged rugged individualism ruggeder ruggedest ruggedisatia ruggedisation

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