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单词 iris
释义 iris/ˈairis/n. 1 the flat circular coloured membrane behind the cornea of the eye, with a circular opening (pupil) in the centre 虹膜 2 any herbaceous plant of the genus Iris (family Iridaceae), usu. with tuberous roots, sword-shaped leaves, and showy flowers (鸢尾科的一属)鸢尾属植物 3 (in full 全称 iris diaphragm) an adjustable diaphragm of thin overlapping plates for regulating the size of a central hole esp. for the admission of light to a lens 虹彩光圈,可变光阑 [Middle English via Latin iris iridis from Greek iris iridos ‘rainbow, iris’]
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更新时间:2025/3/29 16:00:41