○○○piebald⪢⪢
Despite its name, bald eagles are not bald. Their name comes from the word 'piebald' which means 'covered in patches of light and dark colors'.
#pillow
http://qindex.info/i.php?x=11708
•metric length
We can measure how long things are, or how tall or how far apart they are.
The meter is the basic measurement of length in the metric system.
How far is it across this patch of grass?
http://qindex.info/i.php?x=5046