a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball;
"an eyecup is called an eyebath in Britain"
(embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
双语例句
1. Ed glass, sharp to the edges, excellent in its category, eyecup adjustable.
ED玻璃，边远很锐，同类型中表现优异，眼罩可调节。
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2. First focus the reticle with the image field boundary by turning the eyecup.
首先在图像的边界对准十字线旋转眼杯。
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3. Without the eyecup in place, eye position did become somewhat more critical, although I still had little trouble getting my eye in the right spot to fully view the field.
去除眼罩后，眼睛的位置变得略微更加灵活，尽管我在寻找合适的位置以便看到完整的视场时遇到了一点麻烦。
youdao
4. Without the eyecup in place, eye position did become somewhat more critical, although I still had little trouble getting my eye in the right spot to fully view the field.
去除眼罩后，眼睛的位置变得略微更加灵活，尽管我在寻找合适的位置以便看到完整的视场时遇到了一点麻烦。
youdao
用作名词 (n.)
First focus the reticle with the image field boundary by turning the eyecup. 首先在图像的边界对准十字线旋转眼杯。
I generally prefer shooting with an eye-level viewfinder, though, and wish Sony had padded the hard plastic eyecup. 然而，我通常更喜欢使用与眼等高的取景器拍摄，希望索尼能够增加硬塑料洗眼器。
