| 单词 | snellen chart |
| 释义 | Snellen chart[ snĕl′ən ] n.A chart for testing visual acuity, usually consisting of letters, numbers, or pictures printed in lines of decreasing size which a patient is asked to read or identify at a fixed distance. Words nearby Snellen chartsneezewood, sneezewort, Sneffels, Snefru, snell, Snellen chart, Snellen's test types, Snellen test, Snell's law, SNF, SNG The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
| 随便看 |
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。