词汇 | astigmatism |
释义 | astigmatism /ә`stɪgmәˏtɪzәm/ n. Defect in the structure of the eye because of which the rays of light do not focus in a point on the retina. 【医】乱视;散光。 The same defect in a lens. (透镜)散光;像散性;像散现像。 derivatives adj. astigmatic. |
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