noun(摄影胶片的)负片,底片
adjective坏的,有害的;否定的;消极的,负面的;未发生的,阴性的
nouna word, phrase or sentence that means ‘no’ or ‘not’
adjectivebad or harmful (= causing damage or injury)
adjectiveusing words like ‘no’, ‘not’ and ‘never’
adjectiveonly thinking about the bad qualities of somebody or something
adjectiveshowing that something has not happened or has not been found