noun🔗Share窥镜，阴道镜。 A medical instrument used during an examination to dilate an orifice."The doctor used a speculum to examine the patient's throat. "医生用窥镜检查了病人的喉咙。medicinedevicebodyanatomyorganutensilChat with AIVocabulary GamePractice Reading
noun🔗Share反射镜， 窥镜 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. "天文学家小心地清洁了望远镜的主反射镜，以去除任何可能扭曲遥远星辰图像的灰尘。technologyastronomydevicescienceChat with AIVocabulary GamePractice Reading
noun🔗Share翼镜，镜斑 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. "在池塘边观鸟时，我们注意到雄性绿头鸭拍打翅膀时，翅膀上那鲜艳、闪着彩虹光泽的翼镜在阳光下熠熠生辉。animalbirdcolornaturebiologyappearanceanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share瞭望台，观察哨。 A lookout place."From the hill, the abandoned watchtower served as a speculum, allowing us to see for miles across the valley. "从山丘上，废弃的瞭望塔就像一个观察哨，让我们能看到山谷里绵延数英里的景象。architectureplacebuildingChat with AIVocabulary GamePractice Reading
