noun🔗Share開口器A medical instrument used during an examination to dilate an orifice."The doctor used a speculum to examine the patient's throat. "医者は患者の喉を診察するために開口器を使用した。medicinedevicebodyanatomyorganutensilChat with AIVocabulary GamePractice Reading
noun🔗Share鏡、特に望遠鏡に使われるものA mirror, especially one used in a telescope."The astronomer carefully cleaned the telescope's speculum to remove any dust that could distort the images of distant stars. "天文学者は、遠い星の像を歪ませる可能性のある埃を取り除くために、望遠鏡の鏡を注意深く掃除しました。technologyastronomydevicescienceChat with AIVocabulary GamePractice Reading
noun🔗Share鏡、翼鏡A bright, lustrous patch of colour found on the wings of ducks and some other birds, usually situated on the distal portions of the secondary quills, and much more brilliant in the adult male than in the female."While birdwatching at the pond, we noticed the male mallard's vibrant, iridescent speculum flashing in the sunlight as he flapped his wings. "池でバードウォッチングをしていると、オスのマガモの鮮やかで虹色の翼鏡が、羽ばたきながら太陽の光の中で輝いているのに気づきました。animalbirdcolornaturebiologyappearanceanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share見張り台、展望台A lookout place."From the hill, the abandoned watchtower served as a speculum, allowing us to see for miles across the valley. "丘の上から、放棄された見張り台は展望台として機能し、谷を越えて何マイルも見渡すことができました。architectureplacebuildingChat with AIVocabulary GamePractice Reading
