positive

• 形容事物是好的、乐观的或建设性的；在数学和科学中也用来表示大于零的数值。

Describes something that is good, optimistic, or constructive; also used in mathematics and science to indicate a value greater than zero.

1. Optimistic or confidentA2formal

   Expressing hope, confidence, or a favorable attitude.

   乐观的

   • She has a positive outlook on life.
   • He gave a positive response to the proposal.
   • The team remained positive despite the challenges.

   同义词cheerfulconfidentconstructiveencouragingfavorablehopefuloptimisticupbeat

   反义词cynicalgloomynegativepessimistic

2. Certain or sureB1formal

   Having no doubt; completely sure about something.

   确定的

   • I am positive that I locked the door.
   • Are you positive about the time of the meeting?
   • She was positive she had seen him before.

   同义词assuredcertainconfidentconvinceddefinitesure

   反义词doubtfuldubiousuncertainunsure

3. Favorable or goodB1formal

   Indicating agreement, approval, or a beneficial outcome.

   积极的

   • The movie received positive reviews from critics.
   • The test results were positive for the treatment.
   • We need to focus on the positive aspects of the situation.

   同义词advantageousaffirmativebeneficialcomplimentaryconstructiveencouragingfavorablegoodsupportive

   反义词adversebaddetrimentalharmfulnegativeunfavorable

4. Medical test resultB1formalmedical

   Indicating the presence of a particular substance, condition, or infection.

   阳性的

   • Her pregnancy test was positive.
   • The patient tested positive for the virus.
   • A positive result requires further investigation.

   同义词reactive

   反义词negative

• 名词，指肯定、积极、建设性或有益的性质、状态或事物，常用于表示同意、乐观或存在某种条件。

A noun referring to a quality, state, or thing that is affirmative, constructive, or beneficial, often used in contexts of agreement, optimism, or presence of a condition.

1. Good or beneficial qualityB1formal

   A quality or aspect that is good, favorable, or advantageous.

   优点

   • Every situation has its positives and negatives.
   • Focus on the positives of your experience.
   • The positive of this job is the flexible hours.

   同义词advantageassetbenefitpluspro

   反义词disadvantagedownsidedrawbackliabilitynegative

2. Test result indicating presenceB1formal

   A result from a test or examination that shows the presence of a substance, condition, or disease.

   阳性结果

   • The test came back as a positive for the virus.
   • She received a positive on her pregnancy test.
   • The lab reported a positive for the bacterial infection.

   反义词negative

3. B2formal

   A photographic image in which the light and dark areas are the same as in the original subject.

   正片

   • He developed the film into positives.
   • The positive shows the scene in natural colors.
   • She prefers working with positives rather than negatives.

   反义词negative