单词	oogonium，ovogonium
释义	Oogonium，Ovogonium原卵細胞發生學
随便看	difficulties or distressing occurrences in life difficulties precede successes, difficulting difficult labor difficult labour difficultly difficultly soluble nutrient difficultly soluble phosphatic fertilizer difficult menstruation difficult of difficult of access difficult of accomplishment difficult of approach difficult parturition difficult point difficult respiration difficults difficult temperament difficult temperament of infants difficult to difficult to advance difficult to avoid difficult to avoid a feeling of attachment difficult to avoid the feeling of attachment difficult to bear