英语词汇“b-sample”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	b-sample
释义	Collins Concise English Dictionary © HarperCollins Publishers:: B-sample n a urine or blood sample used in doping tests in professional sports to confirm or invalidate the presence of banned substances in the first sample, the A-sample
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