dulladj.呆滞的;钝的;迟钝的;无趣的;暗的v.变钝;迟钝
duken.公爵
Dulcetti杜尔切蒂
dulcet tone悦耳的音调
"the most dulcet swimming on the most beautiful and remote beaches"
"the dulcet tones of the cello"