在这项试验中，用托伦斯试剂处理醛。

In this test, an aldehyde is treated with Tollens' reagent.

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伦托说，农村学校也许是试验像在线课程等数字化教学的最佳地点，因为农村学校已经难于提供一些类型的课程。

Rural schools are perhaps the best place to experiment with digital teaching methods like online courses, since they have trouble offering some types of classes already, said Ms. Lento.

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格拉·克曼博士在牙买加进行了试验，并且与西印度大学特伦斯·福伦·斯特合作。

Dr Gluckman carried out his study in Jamaica, in collaboration with Terrence Forrester, of the University of the West Indies.

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