hydras的中文意思、音标与词形变化

[医] 水化物, 水合物

n (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones n a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer n trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality n small tubular solitary freshwater hydrozoan polyp