mortarboard中文什么意思

灰板

用灰泥接合

用灰泥涂抹

用迫击炮攻击

例句与用法

1. Faces were somber as the dean commemorated the dead , but graduates broke out in cheers and tossed their mortarboards in the air as the ceremony concluded
   当校长纪念死去的学生，一张张阴沉，当典礼到了尾声，毕业生们发出欢呼声，并将毕业帽丢入空中。

英文释义

名词

1. an academic cap with a flat square with a tassel on top
2. a square board with a handle underneath; used by masons to hold or carry mortar
   同义词：hawk