第三眼睑

第三眼瞼
dìsān yǎnjiǎn
noun

Measure Word

Meanings

  1. 1 nictitating membrane
  2. 2 third eyelid (zoology)

Examples

HSK 7-9
Māo hé gǒu dōu yǒu dìsān yǎnjiǎn.
Both cats and dogs have a third eyelid.
HSK 7-9
Shòuyī jiǎnchá le gǒugǒu de dìsān yǎnjiǎn.
The vet examined the dog's third eyelid.

Tips

memory
Literally 'the third eyelid' - most mammals have an upper lid and a lower lid; the nictitating membrane is the extra translucent fold many other vertebrates retain for cleaning and protecting the eye.

Stroke Order

sān
yǎn
jiǎn