英['mɔːtəbɔːd]美['mɔːtəˌboʊrd] n. 灰泥搅拌台；学位帽 中文 双解 英英 词法 noun(名词) （黑色的）方顶帽，学位帽 noun(名词) a black hat with a square, flat top, worn for formal occasions and ceremonies by some teachers and students at a college or university, and in the past by some schoolteachers（黑色的）方顶帽，学位帽 n.a square board with a handle underneath; used by masons to hold or carry mortar同义词：hawkan academic cap with a flat square with a tassel on top 词态 语态 双解例句 noun(名词) （黑色的）方顶帽，学位帽 实用短语mortarboard ?