| 单词 | photorefractive keratectomy |
| 释义 | Word Frequency photorefractive keratectomy(ˌfəʊtəʊrɪˈfræktɪv ˌkɛrəˈtɛktəmɪ) noun laser eye surgery that involves scraping away the protective cells of the cornea before reshaping its surface to improve vision Abbreviation: PRK |
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