"ocular inspection" "an optical illusion" "visual powers" "visual navigation"
"be sure of it; give me the ocular proof" "a visual presentation" "a visual image"
Poor visual adaptation to the dark.
New technology can remove..barriers for people with visual handicaps.
牛津高階第八版
美國韋氏詞典
Dictionary.com
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維基百科 (自由的百科全書)