1 ADJ-GRADED (问题、局势)难对付的,考验人的,棘手的 A testing problem or situation is very difficult to deal with and shows a lot about the character of the person who is dealing with it. (问题、局势)难对付的,考验人的,棘手的
SYN difficult, trying, demanding, taxing
2 N-UNCOUNT 检验;试验;检测 Testing is the activity of testing something or someone in order to find out information. 检验;试验;检测
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...product testing and labelling.
检验产品和给产品贴标签
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The National Collegiate Athletic Association introduced drug testing in the mid-1980s.
美国大学体育联合会在 20 世纪 80 年代中期开始实行药物检测。
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