Meaning of 单眼
单眼 means ocellus; simple eye (a type of eye in arthropods with a single lens, capable of detecting light intensity but not forming images or distinguishing colors). Pronounced dān yǎn.
- ocellus; simple eye (a type of eye in arthropods with a single lens, capable of detecting light intensity but not forming images or distinguishing colors)
Definitions & Examples
Mì蜜
fēng蜂
yǒu有
sān三
zhī只
dān单
yǎn眼
，
wèi位
yú于
liǎng两
zhī只
fù复
yǎn眼
zhī之
jiān间
de的
tóu头
dǐng顶
shàng上
。
Bees have three ocelli located on the top of the head between the two compound eyes.
Yǔ与
fù复
yǎn眼
bù不
tóng同
，
dān单
yǎn眼
zhǐ只
néng能
gǎn感
zhī知
guāng光
xiàn线
de的
qiáng强
ruò弱
，
bù不
néng能
xíng形
chéng成
tú图
xiàng像
。
Unlike compound eyes, ocelli can only sense light intensity and cannot form images.
Zhī蜘
zhū蛛
lèi类
de的
dān单
yǎn眼
shù数
mù目
yīn因
zhǒng种
lèi类
ér而
yì异
，
cóng从
liǎng两
zhī只
dào到
bā八
zhī只
bù不
děng等
。
The number of ocelli in arachnids varies by species, ranging from two to eight.
Kūn昆
chóng虫
de的
dān单
yǎn眼
zhǔ主
yào要
yòng用
yú于
jiǎn检
cè测
dì地
píng平
xiàn线
，
bāng帮
zhù助
wéi维
chí持
fēi飞
xíng行
píng平
héng衡
。
Insect ocelli are mainly used to detect the horizon, helping to maintain flight balance.