词组 | sample |
释义 | sample /ˈsɑːmpəl $ ˈsæm-/ noun 1. a small part or amount of something, that shows what the rest is likenouns + samplea blood/urine/tissue sample The doctor took a blood sample and sent it off for analysis.a water/soil sample They collected water samples from the river.a DNA sample (=a sample that contains a particular person’s genes) Police can use DNA samples to prove that someone committed a crime.a control sample (=for comparing other samples to) A control sample and a sample of flour to be tested are placed side by side.verbstake/collect a sample The study used blood samples taken from workers at four nuclear plants.give/provide a sample Patients were asked to give a sample of their saliva.analyse/test a sample All the samples were tested for bacteria.contaminate a sample (=get into it and spoil it) The sample had been contaminated with iron.samples match (=they are the same) His blood sample and the one found at the murder scene matched.prepositionsa sample of sth The gallery owner asked to see some samples of his work.a sample from sth We’ve got some small samples from the tyres.2. a group of people in a surveyadjectivesa small/big sample The findings of the research were only based on a small sample.a random sample (=not deliberately chosen) We interviewed a random sample of people in the street.a representative sample (=including a typical range of people) They asked a representative sample of students for their opinion.verbschoose a sample also select a sample formal First, they selected a sample of 800 teachers.study/examine a sample We studied a sample of 200 heart patients.interview a sample You could interview a sample of library users or ask them to fill in questionnaires.a sample consists of/comprises sth (=it is formed from something) The sample comprised both single and married women.sample + nounsthe sample size also the size of the sample The sample size was too small to draw definite conclusions.a sample group The sample group were all students at the university.prepositionsa sample from sth This is just a small sample from the whole population.a sample of sb A sample of children between the ages of three and five were studied. |
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