mortarboard

n.

灰泥板，学位帽；

Mortarboard
Mortarboard
Mortar board
Mortarboard and Diploma
Mortarboard cap and the like
Bricks & mortarboard
BRICK AND MORTARBOARD
Graduation mortarboard display holder
Graduation Mortarboard, Scroll and Books
[Student pose with decorated mortarboard]
[Student with decorated mortarboard at UNT Commencement]
“Miles within Millimeters” and Other Awe–Inspiring Facts about Our “Mortarboard” Human Cortex
Sandstone haut-relief grotesque of an unidentified academic wearing a trencher (or mortarboard), Forgan Smith Building Tower, Great ...