mortarboard

mortarboard汉语翻译：
n. 灰泥搅拌托板, 学士帽英语解释：
名词 mortarboard:

a square board with a handle underneath; used by masons to hold or carry mortar同义词：hawk

an academic cap with a flat square with a tassel on top

详细解释：
mor.tar.board
n.（名词）
A square board with a handle used for holding and carrying masonry mortar.
砂浆托板：一种用来托起和盛放石造物浆泥的有柄四方板
An academic cap topped by a flat square.
学位帽：一种有平的四方顶学术帽