mortarboard meaning in English
灰板
用灰泥接合
用灰泥涂抹
用迫击炮攻击
Examples
- 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。