noun🔗ShareヒドラAny of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles."In the aquarium, the hydras, tiny, tube-shaped creatures with tentacles, clung to the glass and waited to catch small food particles floating by. "水槽の中で、触手を持つ小さなチューブ状の生き物であるヒドラは、ガラスにしがみつき、通り過ぎる小さな食べ物の粒子を捕まえようと待っていた。organismanimalbiologynatureChat with AIVocabulary GamePractice Reading
noun🔗ShareヒュドラA dragon-like creature with many heads and the ability to regrow them when maimed."The video game featured monstrous hydras that grew two heads for every one you cut off. "ビデオゲームには、切り落とすたびに2つの頭が生える、恐ろしいヒュドラが登場しました。mythologysupernaturalstoryanimalinhumanChat with AIVocabulary GamePractice Reading
noun🔗Share容易に迅速に解決できない、複雑で多岐にわたる問題または状況A complex, multifarious problem or situation that cannot be solved easily and rapidly."Dealing with student absences can feel like battling hydras; every time you solve one absence issue, two more pop up. "生徒の欠席に対処することは、複雑な問題と戦っているように感じられるかもしれません。欠席の問題を1つ解決するたびに、さらに2つ現れます。situationChat with AIVocabulary GamePractice Reading