| 单词 | presbyopia |
| 释义 | Word Frequency presbyopia(ˌprɛzbɪˈəʊpɪə) or presbyopy (ˈprɛzbɪˌəʊpɪ) noun a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens Derived forms presbyopic (ˌprɛzbɪˈɒpɪk) adjective Word origin C18: New Latin, from Greek presbus old man + ōps eye |
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