hydrae

hydrae

名词 hydra:

(Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones

同义词：Hydra

a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer

同义词：Hydra, Snake

trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality

同义词：hydra

small tubular solitary freshwater hydrozoan polyp

同义词：hydra