B2 a small amount of something that shows you what the rest is or should be like样品
C2 a small amount of a substance that a doctor or scientist collects in order to examine it(医生或科学家检测用的)样本,试样
B2 a group of people or things that is chosen out of a larger number and is asked questions or tested in order to get information about the larger group(调查用的)样本
More examples
We asked a random sample of people what they thought.
The study was carried out with such a small sample that its results are invalid
Water samples taken from streams were analysed for contamination by chemicals.
They looked at the blood samples under the microscope.
The samples varied in quality but were generally acceptable.
a small part of a song that has been recorded and used to make a new piece of music(用于新乐曲中的)选录的歌曲片段
to taste a small amount of food or drink to decide if you like it尝,品尝
C2 to experience a place or an activity, often for the first time(常指初次)体验,尝试
specialized music to record part of a song and use the recording to make a new piece of music节录,选录(歌曲片段,用于新的乐曲中)
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