dulling的英文翻译是什么意思，词典释义与在线翻译
动词 dull:- make dull in appearance
- become dull or lusterless in appearance; lose shine or brightness
- deaden (a sound or noise), especially by wrapping
- make numb or insensitive
- make dull or blunt
- become less interesting or attractive
- make less lively or vigorous
