请输入您要查询的英文单词:
单词
visual acuity
释义
WordReference Random House Unabridged Dictionary of American English © 2024
vis
′
ual acu
′
ity,
[
Ophthalm.
]
Ophthalmology
acuteness of the vision as determined by a comparison with the normal ability to define certain letters at a given distance, usually 20 ft. (6 m).
Abbr.:
V.
1885–90
随便看
hemeralopia
hemerocallis
hemet
hemi-
hemi
-hemia
hemiacetal
hemialgia
hemianopsia
hemic
hemicellulose
hemichordate
hemicrania
hemicycle
hemicyclium
hemidemisemiquaver
hemielytral
hemielytron
hemiglobin
hemi-head
hemihead
hemihedral
hemihedrally
hemihydrate
hemihydrated
英语词典包含188688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。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/11/16 1:12:42