Hydra
01
ヒドラ, 淡水ポリプ
a freshwater polyp with a cylindrical body and tentacles
例
Researchers observed a hydra attached to the underside of a leaf in the pond, its tentacles swaying gently in the water.
研究者たちは池の葉の裏に付着したヒドラを観察し、その触手が水中で優しく揺れているのを見た。
In the lab, students conducted experiments to study the feeding behavior of the hydra.
実験室で、学生たちはヒドラの摂食行動を研究するために実験を行いました。
02
ヒドラ, 持続的な問題
trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
03
ヒドラ, うみへび座
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
04
ヒドラ, レルネーのヒドラ
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
