mortarboard
['mɔ:təbɔ:d]
n. 学位帽；灰泥板
同义词
英文解释
n.
1.a square board with a handle underneath; used by masons to hold or carry mortar
2.an academic cap with a flat square with a tassel on top
网络释义
mortarboard
学位帽; 灰板; 灰泥板; 学士帽;