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Hydra
01
hidra, pólipo de água doce
a freshwater polyp with a cylindrical body and tentacles
Exemplos
Researchers observed a hydra attached to the underside of a leaf in the pond, its tentacles swaying gently in the water.
Os pesquisadores observaram uma hidra presa à parte inferior de uma folha no lago, seus tentáculos balançando suavemente na água.
In the lab, students conducted experiments to study the feeding behavior of the hydra.
No laboratório, os alunos realizaram experimentos para estudar o comportamento alimentar da hidra.
02
hidra, problema persistente
trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
03
hidra, a Hidra
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
04
hidra, hidra de Lerna
a mythical serpent-like creature in Greek mythology that has multiple heads, and if one head is cut off, two more will grow in its place
