B2 expressing "no"否定的；拒绝的

A2 A negative sentence or phrase is one that contains a word such as "not", "no", "never", or "nothing".（句子或短语）否定的，否定式的

B1 not expecting good things, or likely to consider only the bad side of a situation负面的，消极的

B2 bad or harmful坏的；有害的

of the type of electrical charge that is carried by electrons阴极的，负极的

(of a medical test) showing that the patient does not have the disease or condition for which he or she has been tested（医学检验）结果为阴性的，结果为否定的

(of a number or amount) less than zero（数量）小于零的，负的

not having the rhesus factor in the blood（血液）缺乏猕因子的，Rh阴性的

[ C ] informal neg a piece of film from which a photograph can be produced, and in which light and dark areas appear the opposite to the way in which they appear in the photograph（照片）底片，负片

[ C or U ] a word or statement that expresses "no"否定词，否定表达

[ C ] a bad feature or characteristic不好的方面