音标与读法

这里为大家介绍下retina 是什么意思，希望能帮助到各位朋友。

名词复数:retinas

中英文翻译

n.

(pl. retinas, -nae ) 【解剖学】视网膜。

adj.

-l

the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve

The vertebrate retina ( , pl. retinae, ; from Latin rēte, meaning "net") is a light-sensitive layer of tissue, lining the inner surface of the eye.

例句与用法

1.A detached retina is more serious .

视网膜剥离就更严重了。

2.Rays light impinge upon the retina .

光线射到网膜上。

3.The periphery of the retina is very sensitive to motion .

视网膜的外围对运动非常敏感。

4.This property is used in the treatment of a detached retina .

这种特性可用来治疗视网膜脱离。

5.The choroid coat carries many blood vessels to supply the retina .

脉络膜通过许多血管为视网膜供应血液。

6.They predominate and are of greatest concentration in the central part of the retina .

它们在网膜中部占优势，具有最大的浓度。

7.Thus stimulation of one retina will normally invoke pupillary constriction in both eyes .

刺激一侧视网膜可引起双眼的瞳孔收缩。

8.To see an object distinctly, a sharp image of it must be formed on the retina .

为了清楚地看见一个物体，必须在视网膜上形成一个清晰的象。

9.The most distant object for which an image can be formed on the retina is then nearer than infinity .

这时，能成象在视网膜上的最远物体比无穷远近。

10.The receptive mechanism of the retina can also adapt itself to large differences in quantity of light .

视网膜的感受机构还可以自行调节以适应光量上的很大差别。

单词网dANcI.583316.COm